Remove HAVE_ALTIVEC preprocessor directives that are only compiled
[libav.git] / libavcodec / ppc / h264_altivec.c
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1/*
2 * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
3 *
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4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
b78e7197 9 * version 2.1 of the License, or (at your option) any later version.
a6a12a8a 10 *
b78e7197 11 * FFmpeg is distributed in the hope that it will be useful,
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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.
15 *
16 * You should have received a copy of the GNU Lesser General Public
b78e7197 17 * License along with FFmpeg; if not, write to the Free Software
5509bffa 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
a6a12a8a 19 */
115329f1 20
b550bfaa 21#include "dsputil.h"
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22
23#include "gcc_fixes.h"
24
25#include "dsputil_altivec.h"
3813dcc9 26#include "types_altivec.h"
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27
28#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
29#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
30
31#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
32#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec
33#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num
34#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
35#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
36#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
37#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
38#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
39#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
b5f7e6eb 40#include "h264_template_altivec.c"
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41#undef OP_U8_ALTIVEC
42#undef PREFIX_h264_chroma_mc8_altivec
43#undef PREFIX_h264_chroma_mc8_num
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
50
51#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
52#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec
53#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num
54#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
55#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
56#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
57#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
58#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
59#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
b5f7e6eb 60#include "h264_template_altivec.c"
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61#undef OP_U8_ALTIVEC
62#undef PREFIX_h264_chroma_mc8_altivec
63#undef PREFIX_h264_chroma_mc8_num
64#undef PREFIX_h264_qpel16_h_lowpass_altivec
65#undef PREFIX_h264_qpel16_h_lowpass_num
66#undef PREFIX_h264_qpel16_v_lowpass_altivec
67#undef PREFIX_h264_qpel16_v_lowpass_num
68#undef PREFIX_h264_qpel16_hv_lowpass_altivec
69#undef PREFIX_h264_qpel16_hv_lowpass_num
70
71#define H264_MC(OPNAME, SIZE, CODETYPE) \
72static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\
73 OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
74}\
75\
76static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \
8047fe72 77 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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78 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
79 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
80}\
81\
82static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
83 OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
84}\
85\
86static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
8047fe72 87 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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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);\
90}\
91\
92static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
8047fe72 93 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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94 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
95 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
96}\
97\
98static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
99 OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
100}\
101\
102static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
8047fe72 103 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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104 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
105 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
106}\
107\
108static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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109 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
110 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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111 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
112 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
113 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
114}\
115\
116static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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117 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
118 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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119 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
120 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
121 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
122}\
123\
124static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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125 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
126 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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127 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
128 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
129 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
130}\
131\
132static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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133 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
134 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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135 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
136 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
137 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
138}\
139\
140static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
8047fe72 141 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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142 OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
143}\
144\
145static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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146 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
147 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
148 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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149 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
150 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
151 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
152}\
153\
154static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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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)]);\
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158 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, 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);\
161}\
162\
163static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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164 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
165 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
166 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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167 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
168 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
169 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
170}\
171\
172static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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173 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
174 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
175 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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176 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
177 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
178 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
179}\
180
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181/* this code assume that stride % 16 == 0 */
182void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) {
88bcb6c2 183 DECLARE_ALIGNED_16(signed int, ABCD[4]) =
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184 {((8 - x) * (8 - y)),
185 ((x) * (8 - y)),
186 ((8 - x) * (y)),
187 ((x) * (y))};
188 register int i;
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189 vec_u8_t fperm;
190 const vec_s32_t vABCD = vec_ld(0, ABCD);
191 const vec_s16_t vA = vec_splat((vec_s16_t)vABCD, 1);
192 const vec_s16_t vB = vec_splat((vec_s16_t)vABCD, 3);
193 const vec_s16_t vC = vec_splat((vec_s16_t)vABCD, 5);
194 const vec_s16_t vD = vec_splat((vec_s16_t)vABCD, 7);
195 LOAD_ZERO;
196 const vec_s16_t v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
197 const vec_u16_t v6us = vec_splat_u16(6);
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198 register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
199 register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
200
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201 vec_u8_t vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1;
202 vec_u8_t vsrc0uc, vsrc1uc;
203 vec_s16_t vsrc0ssH, vsrc1ssH;
204 vec_u8_t vsrcCuc, vsrc2uc, vsrc3uc;
205 vec_s16_t vsrc2ssH, vsrc3ssH, psum;
206 vec_u8_t vdst, ppsum, fsum;
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207
208 if (((unsigned long)dst) % 16 == 0) {
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209 fperm = (vec_u8_t)AVV(0x10, 0x11, 0x12, 0x13,
210 0x14, 0x15, 0x16, 0x17,
211 0x08, 0x09, 0x0A, 0x0B,
212 0x0C, 0x0D, 0x0E, 0x0F);
60aae27a 213 } else {
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214 fperm = (vec_u8_t)AVV(0x00, 0x01, 0x02, 0x03,
215 0x04, 0x05, 0x06, 0x07,
216 0x18, 0x19, 0x1A, 0x1B,
217 0x1C, 0x1D, 0x1E, 0x1F);
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218 }
219
220 vsrcAuc = vec_ld(0, src);
221
222 if (loadSecond)
223 vsrcBuc = vec_ld(16, src);
224 vsrcperm0 = vec_lvsl(0, src);
225 vsrcperm1 = vec_lvsl(1, src);
226
227 vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
228 if (reallyBadAlign)
229 vsrc1uc = vsrcBuc;
230 else
231 vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
232
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233 vsrc0ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc0uc);
234 vsrc1ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc1uc);
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235
236 if (!loadSecond) {// -> !reallyBadAlign
237 for (i = 0 ; i < h ; i++) {
238
239
240 vsrcCuc = vec_ld(stride + 0, src);
241
242 vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
243 vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
244
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245 vsrc2ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc2uc);
246 vsrc3ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc3uc);
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247
248 psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
249 psum = vec_mladd(vB, vsrc1ssH, psum);
250 psum = vec_mladd(vC, vsrc2ssH, psum);
251 psum = vec_mladd(vD, vsrc3ssH, psum);
252 psum = vec_add(v28ss, psum);
253 psum = vec_sra(psum, v6us);
254
255 vdst = vec_ld(0, dst);
3ca96802 256 ppsum = (vec_u8_t)vec_packsu(psum, psum);
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257 fsum = vec_perm(vdst, ppsum, fperm);
258
259 vec_st(fsum, 0, dst);
260
261 vsrc0ssH = vsrc2ssH;
262 vsrc1ssH = vsrc3ssH;
263
264 dst += stride;
265 src += stride;
266 }
267 } else {
3ca96802 268 vec_u8_t vsrcDuc;
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269 for (i = 0 ; i < h ; i++) {
270 vsrcCuc = vec_ld(stride + 0, src);
271 vsrcDuc = vec_ld(stride + 16, src);
272
273 vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
274 if (reallyBadAlign)
275 vsrc3uc = vsrcDuc;
276 else
277 vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
278
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279 vsrc2ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc2uc);
280 vsrc3ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc3uc);
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281
282 psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
283 psum = vec_mladd(vB, vsrc1ssH, psum);
284 psum = vec_mladd(vC, vsrc2ssH, psum);
285 psum = vec_mladd(vD, vsrc3ssH, psum);
286 psum = vec_add(v28ss, psum);
287 psum = vec_sr(psum, v6us);
288
289 vdst = vec_ld(0, dst);
3ca96802 290 ppsum = (vec_u8_t)vec_pack(psum, psum);
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291 fsum = vec_perm(vdst, ppsum, fperm);
292
293 vec_st(fsum, 0, dst);
294
295 vsrc0ssH = vsrc2ssH;
296 vsrc1ssH = vsrc3ssH;
297
298 dst += stride;
299 src += stride;
300 }
301 }
302}
303
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304static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
305 const uint8_t * src2, int dst_stride,
306 int src_stride1, int h)
307{
308 int i;
3ca96802 309 vec_u8_t a, b, d, tmp1, tmp2, mask, mask_, edges, align;
a6a12a8a 310
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311 mask_ = vec_lvsl(0, src2);
312
313 for (i = 0; i < h; i++) {
314
315 tmp1 = vec_ld(i * src_stride1, src1);
316 mask = vec_lvsl(i * src_stride1, src1);
317 tmp2 = vec_ld(i * src_stride1 + 15, src1);
318
319 a = vec_perm(tmp1, tmp2, mask);
320
321 tmp1 = vec_ld(i * 16, src2);
322 tmp2 = vec_ld(i * 16 + 15, src2);
323
324 b = vec_perm(tmp1, tmp2, mask_);
325
326 tmp1 = vec_ld(0, dst);
327 mask = vec_lvsl(0, dst);
328 tmp2 = vec_ld(15, dst);
329
330 d = vec_avg(a, b);
331
332 edges = vec_perm(tmp2, tmp1, mask);
333
334 align = vec_lvsr(0, dst);
335
7e821457 336 tmp2 = vec_perm(d, edges, align);
27303c8a 337 tmp1 = vec_perm(edges, d, align);
0d18f798 338
cb243ea2 339 vec_st(tmp2, 15, dst);
27303c8a 340 vec_st(tmp1, 0 , dst);
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341
342 dst += dst_stride;
343 }
344}
345
346static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
347 const uint8_t * src2, int dst_stride,
348 int src_stride1, int h)
349{
350 int i;
3ca96802 351 vec_u8_t a, b, d, tmp1, tmp2, mask, mask_, edges, align;
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352
353 mask_ = vec_lvsl(0, src2);
354
355 for (i = 0; i < h; i++) {
356
357 tmp1 = vec_ld(i * src_stride1, src1);
358 mask = vec_lvsl(i * src_stride1, src1);
359 tmp2 = vec_ld(i * src_stride1 + 15, src1);
360
361 a = vec_perm(tmp1, tmp2, mask);
362
363 tmp1 = vec_ld(i * 16, src2);
364 tmp2 = vec_ld(i * 16 + 15, src2);
365
366 b = vec_perm(tmp1, tmp2, mask_);
367
368 tmp1 = vec_ld(0, dst);
369 mask = vec_lvsl(0, dst);
370 tmp2 = vec_ld(15, dst);
371
372 d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
373
374 edges = vec_perm(tmp2, tmp1, mask);
375
376 align = vec_lvsr(0, dst);
377
7e821457 378 tmp2 = vec_perm(d, edges, align);
27303c8a 379 tmp1 = vec_perm(edges, d, align);
0d18f798 380
cb243ea2 381 vec_st(tmp2, 15, dst);
27303c8a 382 vec_st(tmp1, 0 , dst);
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383
384 dst += dst_stride;
385 }
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386}
387
0d18f798 388/* Implemented but could be faster
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389#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
390#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
0d18f798 391 */
a6a12a8a 392
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393 H264_MC(put_, 16, altivec)
394 H264_MC(avg_, 16, altivec)
a6a12a8a 395
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396
397/****************************************************************************
398 * IDCT transform:
399 ****************************************************************************/
400
5dda2539
LB
401#define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \
402 /* 1st stage */ \
403 vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \
404 vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \
405 vz2 = vec_sra(vb1,vec_splat_u16(1)); \
406 vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \
407 vz3 = vec_sra(vb3,vec_splat_u16(1)); \
408 vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \
409 /* 2nd stage: output */ \
410 va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \
411 va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \
412 va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \
413 va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */
414
415#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \
416 b0 = vec_mergeh( a0, a0 ); \
417 b1 = vec_mergeh( a1, a0 ); \
418 b2 = vec_mergeh( a2, a0 ); \
419 b3 = vec_mergeh( a3, a0 ); \
420 a0 = vec_mergeh( b0, b2 ); \
421 a1 = vec_mergel( b0, b2 ); \
422 a2 = vec_mergeh( b1, b3 ); \
423 a3 = vec_mergel( b1, b3 ); \
424 b0 = vec_mergeh( a0, a2 ); \
425 b1 = vec_mergel( a0, a2 ); \
426 b2 = vec_mergeh( a1, a3 ); \
427 b3 = vec_mergel( a1, a3 )
428
429#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \
430 vdst_orig = vec_ld(0, dst); \
431 vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \
432 vdst_ss = (vec_s16_t) vec_mergeh(zero_u8v, vdst); \
433 va = vec_add(va, vdst_ss); \
434 va_u8 = vec_packsu(va, zero_s16v); \
435 va_u32 = vec_splat((vec_u32_t)va_u8, 0); \
436 vec_ste(va_u32, element, (uint32_t*)dst);
437
438static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride)
439{
440 vec_s16_t va0, va1, va2, va3;
441 vec_s16_t vz0, vz1, vz2, vz3;
442 vec_s16_t vtmp0, vtmp1, vtmp2, vtmp3;
443 vec_u8_t va_u8;
444 vec_u32_t va_u32;
445 vec_s16_t vdst_ss;
446 const vec_u16_t v6us = vec_splat_u16(6);
447 vec_u8_t vdst, vdst_orig;
448 vec_u8_t vdst_mask = vec_lvsl(0, dst);
449 int element = ((unsigned long)dst & 0xf) >> 2;
450 LOAD_ZERO;
451
452 block[0] += 32; /* add 32 as a DC-level for rounding */
453
454 vtmp0 = vec_ld(0,block);
455 vtmp1 = vec_sld(vtmp0, vtmp0, 8);
456 vtmp2 = vec_ld(16,block);
457 vtmp3 = vec_sld(vtmp2, vtmp2, 8);
458
459 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
460 VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3);
461 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
462
463 va0 = vec_sra(va0,v6us);
464 va1 = vec_sra(va1,v6us);
465 va2 = vec_sra(va2,v6us);
466 va3 = vec_sra(va3,v6us);
467
468 VEC_LOAD_U8_ADD_S16_STORE_U8(va0);
469 dst += stride;
470 VEC_LOAD_U8_ADD_S16_STORE_U8(va1);
471 dst += stride;
472 VEC_LOAD_U8_ADD_S16_STORE_U8(va2);
473 dst += stride;
474 VEC_LOAD_U8_ADD_S16_STORE_U8(va3);
475}
476
3813dcc9
GP
477#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\
478 /* a0 = SRC(0) + SRC(4); */ \
479 vec_s16_t a0v = vec_add(s0, s4); \
480 /* a2 = SRC(0) - SRC(4); */ \
481 vec_s16_t a2v = vec_sub(s0, s4); \
482 /* a4 = (SRC(2)>>1) - SRC(6); */ \
483 vec_s16_t a4v = vec_sub(vec_sra(s2, onev), s6); \
484 /* a6 = (SRC(6)>>1) + SRC(2); */ \
485 vec_s16_t a6v = vec_add(vec_sra(s6, onev), s2); \
486 /* b0 = a0 + a6; */ \
487 vec_s16_t b0v = vec_add(a0v, a6v); \
488 /* b2 = a2 + a4; */ \
489 vec_s16_t b2v = vec_add(a2v, a4v); \
490 /* b4 = a2 - a4; */ \
491 vec_s16_t b4v = vec_sub(a2v, a4v); \
492 /* b6 = a0 - a6; */ \
493 vec_s16_t b6v = vec_sub(a0v, a6v); \
494 /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \
495 /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \
496 vec_s16_t a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \
497 /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \
498 /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \
499 vec_s16_t a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\
500 /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \
501 /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \
502 vec_s16_t a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\
503 /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \
504 vec_s16_t a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\
505 /* b1 = (a7>>2) + a1; */ \
506 vec_s16_t b1v = vec_add( vec_sra(a7v, twov), a1v); \
507 /* b3 = a3 + (a5>>2); */ \
508 vec_s16_t b3v = vec_add(a3v, vec_sra(a5v, twov)); \
509 /* b5 = (a3>>2) - a5; */ \
510 vec_s16_t b5v = vec_sub( vec_sra(a3v, twov), a5v); \
511 /* b7 = a7 - (a1>>2); */ \
512 vec_s16_t b7v = vec_sub( a7v, vec_sra(a1v, twov)); \
513 /* DST(0, b0 + b7); */ \
514 d0 = vec_add(b0v, b7v); \
515 /* DST(1, b2 + b5); */ \
516 d1 = vec_add(b2v, b5v); \
517 /* DST(2, b4 + b3); */ \
518 d2 = vec_add(b4v, b3v); \
519 /* DST(3, b6 + b1); */ \
520 d3 = vec_add(b6v, b1v); \
521 /* DST(4, b6 - b1); */ \
522 d4 = vec_sub(b6v, b1v); \
523 /* DST(5, b4 - b3); */ \
524 d5 = vec_sub(b4v, b3v); \
525 /* DST(6, b2 - b5); */ \
526 d6 = vec_sub(b2v, b5v); \
527 /* DST(7, b0 - b7); */ \
528 d7 = vec_sub(b0v, b7v); \
529}
530
531#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \
532 /* unaligned load */ \
533 vec_u8_t hv = vec_ld( 0, dest ); \
534 vec_u8_t lv = vec_ld( 7, dest ); \
535 vec_u8_t dstv = vec_perm( hv, lv, (vec_u8_t)perm_ldv ); \
536 vec_s16_t idct_sh6 = vec_sra(idctv, sixv); \
ec4e0056 537 vec_u16_t dst16 = (vec_u16_t)vec_mergeh(zero_u8v, dstv); \
3813dcc9
GP
538 vec_s16_t idstsum = vec_adds(idct_sh6, (vec_s16_t)dst16); \
539 vec_u8_t idstsum8 = vec_packsu(zero_s16v, idstsum); \
540 vec_u8_t edgehv; \
541 /* unaligned store */ \
542 vec_u8_t bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\
543 vec_u8_t edgelv = vec_perm( sel, zero_u8v, perm_stv ); \
544 lv = vec_sel( lv, bodyv, edgelv ); \
545 vec_st( lv, 7, dest ); \
546 hv = vec_ld( 0, dest ); \
547 edgehv = vec_perm( zero_u8v, sel, perm_stv ); \
548 hv = vec_sel( hv, bodyv, edgehv ); \
549 vec_st( hv, 0, dest ); \
550 }
551
552void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) {
553 vec_s16_t s0, s1, s2, s3, s4, s5, s6, s7;
554 vec_s16_t d0, d1, d2, d3, d4, d5, d6, d7;
555 vec_s16_t idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7;
556
557 vec_u8_t perm_ldv = vec_lvsl(0, dst);
558 vec_u8_t perm_stv = vec_lvsr(8, dst);
559
560 const vec_u16_t onev = vec_splat_u16(1);
561 const vec_u16_t twov = vec_splat_u16(2);
562 const vec_u16_t sixv = vec_splat_u16(6);
563
3ca96802 564 const vec_u8_t sel = (vec_u8_t) AVV(0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1);
3813dcc9
GP
565 LOAD_ZERO;
566
567 dct[0] += 32; // rounding for the >>6 at the end
568
569 s0 = vec_ld(0x00, (int16_t*)dct);
570 s1 = vec_ld(0x10, (int16_t*)dct);
571 s2 = vec_ld(0x20, (int16_t*)dct);
572 s3 = vec_ld(0x30, (int16_t*)dct);
573 s4 = vec_ld(0x40, (int16_t*)dct);
574 s5 = vec_ld(0x50, (int16_t*)dct);
575 s6 = vec_ld(0x60, (int16_t*)dct);
576 s7 = vec_ld(0x70, (int16_t*)dct);
577
578 IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7,
579 d0, d1, d2, d3, d4, d5, d6, d7);
580
581 TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 );
582
583 IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7,
584 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7);
585
586 ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel);
587 ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel);
588 ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel);
589 ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel);
590 ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel);
591 ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel);
592 ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel);
593 ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel);
594}
595
f057cc03 596#define transpose4x16(r0, r1, r2, r3) { \
3ca96802
GP
597 register vec_u8_t r4; \
598 register vec_u8_t r5; \
599 register vec_u8_t r6; \
600 register vec_u8_t r7; \
f057cc03
GB
601 \
602 r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \
603 r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \
604 r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \
605 r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \
606 \
607 r0 = vec_mergeh(r4, r6); /*all set 0*/ \
608 r1 = vec_mergel(r4, r6); /*all set 1*/ \
609 r2 = vec_mergeh(r5, r7); /*all set 2*/ \
610 r3 = vec_mergel(r5, r7); /*all set 3*/ \
611}
612
da1fce39 613static inline void write16x4(uint8_t *dst, int dst_stride,
3ca96802
GP
614 register vec_u8_t r0, register vec_u8_t r1,
615 register vec_u8_t r2, register vec_u8_t r3) {
f057cc03
GB
616 DECLARE_ALIGNED_16(unsigned char, result[64]);
617 uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst;
618 int int_dst_stride = dst_stride/4;
619
620 vec_st(r0, 0, result);
621 vec_st(r1, 16, result);
622 vec_st(r2, 32, result);
623 vec_st(r3, 48, result);
624 /* FIXME: there has to be a better way!!!! */
625 *dst_int = *src_int;
626 *(dst_int+ int_dst_stride) = *(src_int + 1);
627 *(dst_int+ 2*int_dst_stride) = *(src_int + 2);
628 *(dst_int+ 3*int_dst_stride) = *(src_int + 3);
629 *(dst_int+ 4*int_dst_stride) = *(src_int + 4);
630 *(dst_int+ 5*int_dst_stride) = *(src_int + 5);
631 *(dst_int+ 6*int_dst_stride) = *(src_int + 6);
632 *(dst_int+ 7*int_dst_stride) = *(src_int + 7);
633 *(dst_int+ 8*int_dst_stride) = *(src_int + 8);
634 *(dst_int+ 9*int_dst_stride) = *(src_int + 9);
635 *(dst_int+10*int_dst_stride) = *(src_int + 10);
636 *(dst_int+11*int_dst_stride) = *(src_int + 11);
637 *(dst_int+12*int_dst_stride) = *(src_int + 12);
638 *(dst_int+13*int_dst_stride) = *(src_int + 13);
639 *(dst_int+14*int_dst_stride) = *(src_int + 14);
640 *(dst_int+15*int_dst_stride) = *(src_int + 15);
641}
642
643/** \brief performs a 6x16 transpose of data in src, and stores it to dst
644 \todo FIXME: see if we can't spare some vec_lvsl() by them factorizing
645 out of unaligned_load() */
646#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\
3ca96802
GP
647 register vec_u8_t r0 = unaligned_load(0, src); \
648 register vec_u8_t r1 = unaligned_load( src_stride, src); \
649 register vec_u8_t r2 = unaligned_load(2* src_stride, src); \
650 register vec_u8_t r3 = unaligned_load(3* src_stride, src); \
651 register vec_u8_t r4 = unaligned_load(4* src_stride, src); \
652 register vec_u8_t r5 = unaligned_load(5* src_stride, src); \
653 register vec_u8_t r6 = unaligned_load(6* src_stride, src); \
654 register vec_u8_t r7 = unaligned_load(7* src_stride, src); \
655 register vec_u8_t r14 = unaligned_load(14*src_stride, src); \
656 register vec_u8_t r15 = unaligned_load(15*src_stride, src); \
f057cc03
GB
657 \
658 r8 = unaligned_load( 8*src_stride, src); \
659 r9 = unaligned_load( 9*src_stride, src); \
660 r10 = unaligned_load(10*src_stride, src); \
661 r11 = unaligned_load(11*src_stride, src); \
662 r12 = unaligned_load(12*src_stride, src); \
663 r13 = unaligned_load(13*src_stride, src); \
664 \
665 /*Merge first pairs*/ \
666 r0 = vec_mergeh(r0, r8); /*0, 8*/ \
667 r1 = vec_mergeh(r1, r9); /*1, 9*/ \
668 r2 = vec_mergeh(r2, r10); /*2,10*/ \
669 r3 = vec_mergeh(r3, r11); /*3,11*/ \
670 r4 = vec_mergeh(r4, r12); /*4,12*/ \
671 r5 = vec_mergeh(r5, r13); /*5,13*/ \
672 r6 = vec_mergeh(r6, r14); /*6,14*/ \
673 r7 = vec_mergeh(r7, r15); /*7,15*/ \
674 \
675 /*Merge second pairs*/ \
676 r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \
677 r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \
678 r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \
679 r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \
680 r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \
681 r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \
682 r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \
683 r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \
684 \
685 /*Third merge*/ \
686 r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \
687 r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \
688 r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \
689 r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \
690 r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \
691 r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \
692 /* Don't need to compute 3 and 7*/ \
693 \
694 /*Final merge*/ \
695 r8 = vec_mergeh(r0, r4); /*all set 0*/ \
696 r9 = vec_mergel(r0, r4); /*all set 1*/ \
697 r10 = vec_mergeh(r1, r5); /*all set 2*/ \
698 r11 = vec_mergel(r1, r5); /*all set 3*/ \
699 r12 = vec_mergeh(r2, r6); /*all set 4*/ \
700 r13 = vec_mergel(r2, r6); /*all set 5*/ \
701 /* Don't need to compute 14 and 15*/ \
702 \
703}
704
705// out: o = |x-y| < a
3ca96802
GP
706static inline vec_u8_t diff_lt_altivec ( register vec_u8_t x,
707 register vec_u8_t y,
708 register vec_u8_t a) {
709
710 register vec_u8_t diff = vec_subs(x, y);
711 register vec_u8_t diffneg = vec_subs(y, x);
712 register vec_u8_t o = vec_or(diff, diffneg); /* |x-y| */
713 o = (vec_u8_t)vec_cmplt(o, a);
f057cc03
GB
714 return o;
715}
716
3ca96802
GP
717static inline vec_u8_t h264_deblock_mask ( register vec_u8_t p0,
718 register vec_u8_t p1,
719 register vec_u8_t q0,
720 register vec_u8_t q1,
721 register vec_u8_t alpha,
722 register vec_u8_t beta) {
f057cc03 723
3ca96802
GP
724 register vec_u8_t mask;
725 register vec_u8_t tempmask;
f057cc03
GB
726
727 mask = diff_lt_altivec(p0, q0, alpha);
728 tempmask = diff_lt_altivec(p1, p0, beta);
729 mask = vec_and(mask, tempmask);
730 tempmask = diff_lt_altivec(q1, q0, beta);
731 mask = vec_and(mask, tempmask);
732
733 return mask;
734}
735
22fa38f0 736// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0)
3ca96802
GP
737static inline vec_u8_t h264_deblock_q1(register vec_u8_t p0,
738 register vec_u8_t p1,
739 register vec_u8_t p2,
740 register vec_u8_t q0,
741 register vec_u8_t tc0) {
742
743 register vec_u8_t average = vec_avg(p0, q0);
744 register vec_u8_t temp;
745 register vec_u8_t uncliped;
746 register vec_u8_t ones;
747 register vec_u8_t max;
748 register vec_u8_t min;
749 register vec_u8_t newp1;
963eca22
GP
750
751 temp = vec_xor(average, p2);
752 average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */
753 ones = vec_splat_u8(1);
754 temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */
755 uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */
756 max = vec_adds(p1, tc0);
757 min = vec_subs(p1, tc0);
22fa38f0
GB
758 newp1 = vec_max(min, uncliped);
759 newp1 = vec_min(max, newp1);
760 return newp1;
f057cc03
GB
761}
762
763#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \
764 \
3ca96802 765 const vec_u8_t A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \
f057cc03 766 \
3ca96802
GP
767 register vec_u8_t pq0bit = vec_xor(p0,q0); \
768 register vec_u8_t q1minus; \
769 register vec_u8_t p0minus; \
770 register vec_u8_t stage1; \
771 register vec_u8_t stage2; \
772 register vec_u8_t vec160; \
773 register vec_u8_t delta; \
774 register vec_u8_t deltaneg; \
f057cc03 775 \
f4a02f6e 776 q1minus = vec_nor(q1, q1); /* 255 - q1 */ \
f057cc03
GB
777 stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \
778 stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \
f4a02f6e 779 p0minus = vec_nor(p0, p0); /* 255 - p0 */ \
f057cc03
GB
780 stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \
781 pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \
782 stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \
783 stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \
784 vec160 = vec_ld(0, &A0v); \
785 deltaneg = vec_subs(vec160, stage2); /* -d */ \
786 delta = vec_subs(stage2, vec160); /* d */ \
787 deltaneg = vec_min(tc0masked, deltaneg); \
788 delta = vec_min(tc0masked, delta); \
789 p0 = vec_subs(p0, deltaneg); \
790 q0 = vec_subs(q0, delta); \
791 p0 = vec_adds(p0, delta); \
792 q0 = vec_adds(q0, deltaneg); \
793}
794
795#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \
796 DECLARE_ALIGNED_16(unsigned char, temp[16]); \
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797 register vec_u8_t alphavec; \
798 register vec_u8_t betavec; \
799 register vec_u8_t mask; \
800 register vec_u8_t p1mask; \
801 register vec_u8_t q1mask; \
e970d98c 802 register vector signed char tc0vec; \
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803 register vec_u8_t finaltc0; \
804 register vec_u8_t tc0masked; \
805 register vec_u8_t newp1; \
806 register vec_u8_t newq1; \
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807 \
808 temp[0] = alpha; \
809 temp[1] = beta; \
810 alphavec = vec_ld(0, temp); \
811 betavec = vec_splat(alphavec, 0x1); \
812 alphavec = vec_splat(alphavec, 0x0); \
813 mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \
814 \
815 *((int *)temp) = *((int *)tc0); \
e970d98c 816 tc0vec = vec_ld(0, (signed char*)temp); \
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817 tc0vec = vec_mergeh(tc0vec, tc0vec); \
818 tc0vec = vec_mergeh(tc0vec, tc0vec); \
22fa38f0 819 mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \
3ca96802 820 finaltc0 = vec_and((vec_u8_t)tc0vec, mask); /* tc = tc0 */ \
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821 \
822 p1mask = diff_lt_altivec(p2, p0, betavec); \
823 p1mask = vec_and(p1mask, mask); /* if( |p2 - p0| < beta) */ \
3ca96802 824 tc0masked = vec_and(p1mask, (vec_u8_t)tc0vec); \
f057cc03 825 finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \
22fa38f0 826 newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \
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827 /*end if*/ \
828 \
829 q1mask = diff_lt_altivec(q2, q0, betavec); \
830 q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\
3ca96802 831 tc0masked = vec_and(q1mask, (vec_u8_t)tc0vec); \
f057cc03 832 finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \
22fa38f0 833 newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \
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834 /*end if*/ \
835 \
836 h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \
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837 p1 = newp1; \
838 q1 = newq1; \
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839}
840
841static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
842
843 if((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) {
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844 register vec_u8_t p2 = vec_ld(-3*stride, pix);
845 register vec_u8_t p1 = vec_ld(-2*stride, pix);
846 register vec_u8_t p0 = vec_ld(-1*stride, pix);
847 register vec_u8_t q0 = vec_ld(0, pix);
848 register vec_u8_t q1 = vec_ld(stride, pix);
849 register vec_u8_t q2 = vec_ld(2*stride, pix);
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850 h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0);
851 vec_st(p1, -2*stride, pix);
852 vec_st(p0, -1*stride, pix);
853 vec_st(q0, 0, pix);
854 vec_st(q1, stride, pix);
855 }
856}
857
858static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
859
3ca96802 860 register vec_u8_t line0, line1, line2, line3, line4, line5;
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861 if((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0)
862 return;
863 readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
864 h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
865 transpose4x16(line1, line2, line3, line4);
866 write16x4(pix-2, stride, line1, line2, line3, line4);
867}
868
a6a12a8a 869void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
115329f1 870
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RD
871 if (has_altivec()) {
872 c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
60aae27a 873 c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec;
a6a12a8a 874 c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
5dda2539 875 c->h264_idct_add = ff_h264_idct_add_altivec;
3813dcc9 876 c->h264_idct8_add = ff_h264_idct8_add_altivec;
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877 c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec;
878 c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec;
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879
880#define dspfunc(PFX, IDX, NUM) \
881 c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
882 c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
883 c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
884 c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
885 c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
886 c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
887 c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
888 c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
889 c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
890 c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
891 c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
892 c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
893 c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
894 c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
895 c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
896 c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
115329f1 897
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898 dspfunc(put_h264_qpel, 0, 16);
899 dspfunc(avg_h264_qpel, 0, 16);
900#undef dspfunc
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901 }
902}