2
* VIS optimized software YUV to RGB converter
3
* Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu>
5
* This file is part of Libav.
7
* Libav 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.
12
* Libav 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.
17
* You should have received a copy of the GNU Lesser General Public
18
* License along with Libav; if not, write to the Free Software
19
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25
#include "libswscale/swscale.h"
26
#include "libswscale/swscale_internal.h"
28
#define YUV2RGB_INIT \
29
"wr %%g0, 0x10, %%gsr \n\t" \
30
"ldd [%5], %%f32 \n\t" \
31
"ldd [%5+8], %%f34 \n\t" \
32
"ldd [%5+16], %%f36 \n\t" \
33
"ldd [%5+24], %%f38 \n\t" \
34
"ldd [%5+32], %%f40 \n\t" \
35
"ldd [%5+40], %%f42 \n\t" \
36
"ldd [%5+48], %%f44 \n\t" \
37
"ldd [%5+56], %%f46 \n\t" \
38
"ldd [%5+64], %%f48 \n\t" \
39
"ldd [%5+72], %%f50 \n\t"
41
#define YUV2RGB_KERNEL \
42
/* ^^^^ f0=Y f3=u f5=v */ \
43
"fmul8x16 %%f3, %%f48, %%f6 \n\t" \
44
"fmul8x16 %%f19, %%f48, %%f22 \n\t" \
45
"fmul8x16 %%f5, %%f44, %%f8 \n\t" \
46
"fmul8x16 %%f21, %%f44, %%f24 \n\t" \
47
"fmul8x16 %%f0, %%f42, %%f0 \n\t" \
48
"fmul8x16 %%f16, %%f42, %%f16 \n\t" \
49
"fmul8x16 %%f3, %%f50, %%f2 \n\t" \
50
"fmul8x16 %%f19, %%f50, %%f18 \n\t" \
51
"fmul8x16 %%f5, %%f46, %%f4 \n\t" \
52
"fmul8x16 %%f21, %%f46, %%f20 \n\t" \
54
"fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \
55
"fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \
56
"fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \
57
"fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \
58
"fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \
59
"fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \
60
"fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \
61
"fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \
62
"fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \
63
"fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \
65
"fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \
66
"fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \
67
"fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \
68
"fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \
69
"fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \
70
"fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \
71
"fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \
72
"fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \
74
"fpack16 %%f4, %%f4 \n\t" \
75
"fpack16 %%f20, %%f20 \n\t" \
76
"fpack16 %%f6, %%f6 \n\t" \
77
"fpack16 %%f22, %%f22 \n\t" \
78
"fpack16 %%f2, %%f2 \n\t" \
79
"fpack16 %%f18, %%f18 \n\t"
83
// FIXME: must be changed to set alpha to 255 instead of 0
84
static int vis_420P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
85
int srcSliceH, uint8_t* dst[], int dstStride[])
87
int y, out1, out2, out3, out4, out5, out6;
89
for(y=0;y < srcSliceH;++y) {
92
"wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
94
"ldda [%1] %%asi, %%f2 \n\t"
95
"ldda [%1+2] %%asi, %%f18 \n\t"
96
"ldda [%2] %%asi, %%f4 \n\t"
97
"ldda [%2+2] %%asi, %%f20 \n\t"
99
"ld [%0+4], %%f16 \n\t"
100
"fpmerge %%f3, %%f3, %%f2 \n\t"
101
"fpmerge %%f19, %%f19, %%f18 \n\t"
102
"fpmerge %%f5, %%f5, %%f4 \n\t"
103
"fpmerge %%f21, %%f21, %%f20 \n\t"
106
"fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1
107
"fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1
108
"fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2
109
"fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2
110
"fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb
111
"fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb
112
"fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb
113
"fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb
114
"std %%f4, [%3] \n\t"
115
"std %%f20, [%3+16] \n\t"
116
"std %%f6, [%3+8] \n\t"
117
"std %%f22, [%3+24] \n\t"
122
"subcc %4, 8, %4 \n\t"
124
"add %3, 32, %3 \n\t" //delay slot
125
: "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
126
: "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+((y+srcSliceY)>>1)*srcStride[1]),
127
"2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]),
129
"5" (c->sparc_coeffs)
136
// FIXME: must be changed to set alpha to 255 instead of 0
137
static int vis_422P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
138
int srcSliceH, uint8_t* dst[], int dstStride[])
140
int y, out1, out2, out3, out4, out5, out6;
142
for(y=0;y < srcSliceH;++y) {
145
"wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
147
"ldda [%1] %%asi, %%f2 \n\t"
148
"ldda [%1+2] %%asi, %%f18 \n\t"
149
"ldda [%2] %%asi, %%f4 \n\t"
150
"ldda [%2+2] %%asi, %%f20 \n\t"
152
"ld [%0+4], %%f16 \n\t"
153
"fpmerge %%f3, %%f3, %%f2 \n\t"
154
"fpmerge %%f19, %%f19, %%f18 \n\t"
155
"fpmerge %%f5, %%f5, %%f4 \n\t"
156
"fpmerge %%f21, %%f21, %%f20 \n\t"
159
"fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1
160
"fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1
161
"fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2
162
"fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2
163
"fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb
164
"fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb
165
"fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb
166
"fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb
167
"std %%f4, [%3] \n\t"
168
"std %%f20, [%3+16] \n\t"
169
"std %%f6, [%3+8] \n\t"
170
"std %%f22, [%3+24] \n\t"
175
"subcc %4, 8, %4 \n\t"
177
"add %3, 32, %3 \n\t" //delay slot
178
: "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
179
: "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+(y+srcSliceY)*srcStride[1]),
180
"2" (src[2]+(y+srcSliceY)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]),
182
"5" (c->sparc_coeffs)
189
SwsFunc ff_yuv2rgb_init_vis(SwsContext *c)
191
c->sparc_coeffs[5]=c->yCoeff;
192
c->sparc_coeffs[6]=c->vgCoeff;
193
c->sparc_coeffs[7]=c->vrCoeff;
194
c->sparc_coeffs[8]=c->ubCoeff;
195
c->sparc_coeffs[9]=c->ugCoeff;
197
c->sparc_coeffs[0]=(((int16_t)c->yOffset*(int16_t)c->yCoeff >>11) & 0xffff) * 0x0001000100010001ULL;
198
c->sparc_coeffs[1]=(((int16_t)c->uOffset*(int16_t)c->ubCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
199
c->sparc_coeffs[2]=(((int16_t)c->uOffset*(int16_t)c->ugCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
200
c->sparc_coeffs[3]=(((int16_t)c->vOffset*(int16_t)c->vgCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
201
c->sparc_coeffs[4]=(((int16_t)c->vOffset*(int16_t)c->vrCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
203
if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7)==0) {
204
av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV422P -> RGB32 (WARNING: alpha value is wrong)\n");
205
return vis_422P_ARGB32;
207
else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7)==0) {
208
av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32 (WARNING: alpha value is wrong)\n");
209
return vis_420P_ARGB32;
added
removed
libswscale/sparc/yuv2rgb_vis.c
