1 /*****************************************************************************
2 * dct.c: h264 encoder library
3 *****************************************************************************
4 * Copyright (C) 2003 Laurent Aimar
7 * Authors: Eric Petit <titer@m0k.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
28 #include "common/common.h"
29 #include "ppccommon.h"
31 #define VEC_DCT(a0,a1,a2,a3,b0,b1,b2,b3) \
32 b1 = vec_add( a0, a3 ); \
33 b3 = vec_add( a1, a2 ); \
34 b0 = vec_add( b1, b3 ); \
35 b2 = vec_sub( b1, b3 ); \
36 a0 = vec_sub( a0, a3 ); \
37 a1 = vec_sub( a1, a2 ); \
38 b1 = vec_add( a0, a0 ); \
39 b1 = vec_add( b1, a1 ); \
40 b3 = vec_sub( a0, a1 ); \
41 b3 = vec_sub( b3, a1 )
43 void x264_sub4x4_dct_altivec( int16_t dct[4][4],
44 uint8_t *pix1, uint8_t *pix2 )
48 vec_s16_t dct0v, dct1v, dct2v, dct3v;
49 vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v;
51 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct0v );
52 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct1v );
53 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct2v );
54 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct3v );
55 VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
56 VEC_TRANSPOSE_4( tmp0v, tmp1v, tmp2v, tmp3v,
57 dct0v, dct1v, dct2v, dct3v );
58 VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
59 VEC_STORE8( tmp0v, dct[0] );
60 VEC_STORE8( tmp1v, dct[1] );
61 VEC_STORE8( tmp2v, dct[2] );
62 VEC_STORE8( tmp3v, dct[3] );
65 void x264_sub8x8_dct_altivec( int16_t dct[4][4][4],
66 uint8_t *pix1, uint8_t *pix2 )
70 vec_s16_t dct0v, dct1v, dct2v, dct3v, dct4v, dct5v, dct6v, dct7v;
71 vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v, tmp4v, tmp5v, tmp6v, tmp7v;
73 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct0v );
74 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct1v );
75 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct2v );
76 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct3v );
77 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct4v );
78 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct5v );
79 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct6v );
80 VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct7v );
81 VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
82 VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
83 VEC_TRANSPOSE_8( tmp0v, tmp1v, tmp2v, tmp3v,
84 tmp4v, tmp5v, tmp6v, tmp7v,
85 dct0v, dct1v, dct2v, dct3v,
86 dct4v, dct5v, dct6v, dct7v );
87 VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
88 VEC_STORE8_H( tmp0v, dct[0][0] );
89 VEC_STORE8_H( tmp1v, dct[0][1] );
90 VEC_STORE8_H( tmp2v, dct[0][2] );
91 VEC_STORE8_H( tmp3v, dct[0][3] );
92 VEC_STORE8_L( tmp0v, dct[2][0] );
93 VEC_STORE8_L( tmp1v, dct[2][1] );
94 VEC_STORE8_L( tmp2v, dct[2][2] );
95 VEC_STORE8_L( tmp3v, dct[2][3] );
96 VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
97 VEC_STORE8_H( tmp4v, dct[1][0] );
98 VEC_STORE8_H( tmp5v, dct[1][1] );
99 VEC_STORE8_H( tmp6v, dct[1][2] );
100 VEC_STORE8_H( tmp7v, dct[1][3] );
101 VEC_STORE8_L( tmp4v, dct[3][0] );
102 VEC_STORE8_L( tmp5v, dct[3][1] );
103 VEC_STORE8_L( tmp6v, dct[3][2] );
104 VEC_STORE8_L( tmp7v, dct[3][3] );
107 void x264_sub16x16_dct_altivec( int16_t dct[16][4][4],
108 uint8_t *pix1, uint8_t *pix2 )
112 vec_s16_t dcth0v, dcth1v, dcth2v, dcth3v,
113 dcth4v, dcth5v, dcth6v, dcth7v,
114 dctl0v, dctl1v, dctl2v, dctl3v,
115 dctl4v, dctl5v, dctl6v, dctl7v;
116 vec_s16_t temp0v, temp1v, temp2v, temp3v,
117 temp4v, temp5v, temp6v, temp7v;
119 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth0v, dctl0v );
120 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth1v, dctl1v );
121 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth2v, dctl2v );
122 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth3v, dctl3v );
123 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth4v, dctl4v );
124 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth5v, dctl5v );
125 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth6v, dctl6v );
126 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth7v, dctl7v );
128 VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
129 temp0v, temp1v, temp2v, temp3v );
130 VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
131 temp4v, temp5v, temp6v, temp7v );
132 VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
133 temp4v, temp5v, temp6v, temp7v,
134 dcth0v, dcth1v, dcth2v, dcth3v,
135 dcth4v, dcth5v, dcth6v, dcth7v );
136 VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
137 temp0v, temp1v, temp2v, temp3v );
138 VEC_STORE8_H( temp0v, dct[0][0] );
139 VEC_STORE8_H( temp1v, dct[0][1] );
140 VEC_STORE8_H( temp2v, dct[0][2] );
141 VEC_STORE8_H( temp3v, dct[0][3] );
142 VEC_STORE8_L( temp0v, dct[2][0] );
143 VEC_STORE8_L( temp1v, dct[2][1] );
144 VEC_STORE8_L( temp2v, dct[2][2] );
145 VEC_STORE8_L( temp3v, dct[2][3] );
146 VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
147 temp4v, temp5v, temp6v, temp7v );
148 VEC_STORE8_H( temp4v, dct[1][0] );
149 VEC_STORE8_H( temp5v, dct[1][1] );
150 VEC_STORE8_H( temp6v, dct[1][2] );
151 VEC_STORE8_H( temp7v, dct[1][3] );
152 VEC_STORE8_L( temp4v, dct[3][0] );
153 VEC_STORE8_L( temp5v, dct[3][1] );
154 VEC_STORE8_L( temp6v, dct[3][2] );
155 VEC_STORE8_L( temp7v, dct[3][3] );
157 VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
158 temp0v, temp1v, temp2v, temp3v );
159 VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
160 temp4v, temp5v, temp6v, temp7v );
161 VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
162 temp4v, temp5v, temp6v, temp7v,
163 dctl0v, dctl1v, dctl2v, dctl3v,
164 dctl4v, dctl5v, dctl6v, dctl7v );
165 VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
166 temp0v, temp1v, temp2v, temp3v );
167 VEC_STORE8_H( temp0v, dct[4][0] );
168 VEC_STORE8_H( temp1v, dct[4][1] );
169 VEC_STORE8_H( temp2v, dct[4][2] );
170 VEC_STORE8_H( temp3v, dct[4][3] );
171 VEC_STORE8_L( temp0v, dct[6][0] );
172 VEC_STORE8_L( temp1v, dct[6][1] );
173 VEC_STORE8_L( temp2v, dct[6][2] );
174 VEC_STORE8_L( temp3v, dct[6][3] );
175 VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
176 temp4v, temp5v, temp6v, temp7v );
177 VEC_STORE8_H( temp4v, dct[5][0] );
178 VEC_STORE8_H( temp5v, dct[5][1] );
179 VEC_STORE8_H( temp6v, dct[5][2] );
180 VEC_STORE8_H( temp7v, dct[5][3] );
181 VEC_STORE8_L( temp4v, dct[7][0] );
182 VEC_STORE8_L( temp5v, dct[7][1] );
183 VEC_STORE8_L( temp6v, dct[7][2] );
184 VEC_STORE8_L( temp7v, dct[7][3] );
186 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth0v, dctl0v );
187 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth1v, dctl1v );
188 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth2v, dctl2v );
189 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth3v, dctl3v );
190 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth4v, dctl4v );
191 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth5v, dctl5v );
192 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth6v, dctl6v );
193 VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth7v, dctl7v );
195 VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
196 temp0v, temp1v, temp2v, temp3v );
197 VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
198 temp4v, temp5v, temp6v, temp7v );
199 VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
200 temp4v, temp5v, temp6v, temp7v,
201 dcth0v, dcth1v, dcth2v, dcth3v,
202 dcth4v, dcth5v, dcth6v, dcth7v );
203 VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
204 temp0v, temp1v, temp2v, temp3v );
205 VEC_STORE8_H( temp0v, dct[8][0] );
206 VEC_STORE8_H( temp1v, dct[8][1] );
207 VEC_STORE8_H( temp2v, dct[8][2] );
208 VEC_STORE8_H( temp3v, dct[8][3] );
209 VEC_STORE8_L( temp0v, dct[10][0] );
210 VEC_STORE8_L( temp1v, dct[10][1] );
211 VEC_STORE8_L( temp2v, dct[10][2] );
212 VEC_STORE8_L( temp3v, dct[10][3] );
213 VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
214 temp4v, temp5v, temp6v, temp7v );
215 VEC_STORE8_H( temp4v, dct[9][0] );
216 VEC_STORE8_H( temp5v, dct[9][1] );
217 VEC_STORE8_H( temp6v, dct[9][2] );
218 VEC_STORE8_H( temp7v, dct[9][3] );
219 VEC_STORE8_L( temp4v, dct[11][0] );
220 VEC_STORE8_L( temp5v, dct[11][1] );
221 VEC_STORE8_L( temp6v, dct[11][2] );
222 VEC_STORE8_L( temp7v, dct[11][3] );
224 VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
225 temp0v, temp1v, temp2v, temp3v );
226 VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
227 temp4v, temp5v, temp6v, temp7v );
228 VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
229 temp4v, temp5v, temp6v, temp7v,
230 dctl0v, dctl1v, dctl2v, dctl3v,
231 dctl4v, dctl5v, dctl6v, dctl7v );
232 VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
233 temp0v, temp1v, temp2v, temp3v );
234 VEC_STORE8_H( temp0v, dct[12][0] );
235 VEC_STORE8_H( temp1v, dct[12][1] );
236 VEC_STORE8_H( temp2v, dct[12][2] );
237 VEC_STORE8_H( temp3v, dct[12][3] );
238 VEC_STORE8_L( temp0v, dct[14][0] );
239 VEC_STORE8_L( temp1v, dct[14][1] );
240 VEC_STORE8_L( temp2v, dct[14][2] );
241 VEC_STORE8_L( temp3v, dct[14][3] );
242 VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
243 temp4v, temp5v, temp6v, temp7v );
244 VEC_STORE8_H( temp4v, dct[13][0] );
245 VEC_STORE8_H( temp5v, dct[13][1] );
246 VEC_STORE8_H( temp6v, dct[13][2] );
247 VEC_STORE8_H( temp7v, dct[13][3] );
248 VEC_STORE8_L( temp4v, dct[15][0] );
249 VEC_STORE8_L( temp5v, dct[15][1] );
250 VEC_STORE8_L( temp6v, dct[15][2] );
251 VEC_STORE8_L( temp7v, dct[15][3] );