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libavcodec
dsputil_template.c
Go to the documentation of this file.
1
/*
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* DSP utils
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* DSP utils
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*/
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#include "
bit_depth_template.c
"
31
32
#if BIT_DEPTH == 8
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/* draw the edges of width 'w' of an image of size width, height */
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//FIXME check that this is ok for mpeg4 interlaced
35
static
void
FUNCC
(
draw_edges
)(
uint8_t
*p_buf,
int
p_wrap,
int
width
,
int
height
,
int
w,
int
h,
int
sides)
36
{
37
pixel
*
buf
= (
pixel
*)p_buf;
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int
wrap
= p_wrap /
sizeof
(
pixel
);
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pixel
*ptr, *last_line;
40
int
i;
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/* left and right */
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ptr =
buf
;
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for
(i=0;i<
height
;i++) {
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memset(ptr - w, ptr[0], w);
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memset(ptr +
width
, ptr[
width
-1], w);
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ptr +=
wrap
;
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}
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/* top and bottom + corners */
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buf -= w;
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last_line = buf + (height - 1) * wrap;
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if
(sides &
EDGE_TOP
)
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for
(i = 0; i < h; i++)
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memcpy(buf - (i + 1) *
wrap
,
buf
, (
width
+ w + w) *
sizeof
(
pixel
));
// top
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if
(sides &
EDGE_BOTTOM
)
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for
(i = 0; i < h; i++)
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memcpy(last_line + (i + 1) *
wrap
, last_line, (
width
+ w + w) *
sizeof
(
pixel
));
// bottom
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}
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#endif
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static
void
FUNCC
(
get_pixels
)(int16_t *
av_restrict
block
,
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const
uint8_t
*_pixels,
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int
line_size)
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{
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const
pixel
*pixels = (
const
pixel
*) _pixels;
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int
i;
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/* read the pixels */
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for
(i=0;i<8;i++) {
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block
[0] = pixels[0];
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block
[1] = pixels[1];
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block
[2] = pixels[2];
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block
[3] = pixels[3];
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block
[4] = pixels[4];
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block
[5] = pixels[5];
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block
[6] = pixels[6];
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block
[7] = pixels[7];
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pixels += line_size /
sizeof
(
pixel
);
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block
+= 8;
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}
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}
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#if BIT_DEPTH == 8
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static
void
FUNCC
(
clear_block
)(int16_t *
block
)
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{
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memset(
block
, 0,
sizeof
(int16_t)*64);
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}
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static
void
FUNCC
(
clear_blocks
)(int16_t *blocks)
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{
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memset(blocks, 0,
sizeof
(int16_t)*6*64);
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}
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#endif
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96
#if BIT_DEPTH == 8
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#include "
hpel_template.c
"
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#endif
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100
#define PIXOP2(OPNAME, OP) \
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static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
102
int src_stride1, int src_stride2, int h){\
103
int i;\
104
for(i=0; i<h; i++){\
105
pixel4 a,b;\
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a= AV_RN4P(&src1[i*src_stride1 ]);\
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b= AV_RN4P(&src2[i*src_stride2 ]);\
108
OP(*((pixel4*)&dst[i*dst_stride ]), no_rnd_avg_pixel4(a, b));\
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a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
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b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
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OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), no_rnd_avg_pixel4(a, b));\
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}\
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}\
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\
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static inline void FUNC(OPNAME ## _no_rnd_pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
116
int src_stride1, int src_stride2, int h){\
117
FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst , src1 , src2 , dst_stride, src_stride1, src_stride2, h);\
118
FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
119
}\
120
\
121
static inline void FUNC(OPNAME ## _pixels8_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
122
int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
123
/* FIXME HIGH BIT DEPTH */
\
124
int i;\
125
for(i=0; i<h; i++){\
126
uint32_t a, b, c, d, l0, l1, h0, h1;\
127
a= AV_RN32(&src1[i*src_stride1]);\
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b= AV_RN32(&src2[i*src_stride2]);\
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c= AV_RN32(&src3[i*src_stride3]);\
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d= AV_RN32(&src4[i*src_stride4]);\
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l0= (a&0x03030303UL)\
132
+ (b&0x03030303UL)\
133
+ 0x02020202UL;\
134
h0= ((a&0xFCFCFCFCUL)>>2)\
135
+ ((b&0xFCFCFCFCUL)>>2);\
136
l1= (c&0x03030303UL)\
137
+ (d&0x03030303UL);\
138
h1= ((c&0xFCFCFCFCUL)>>2)\
139
+ ((d&0xFCFCFCFCUL)>>2);\
140
OP(*((uint32_t*)&dst[i*dst_stride]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
141
a= AV_RN32(&src1[i*src_stride1+4]);\
142
b= AV_RN32(&src2[i*src_stride2+4]);\
143
c= AV_RN32(&src3[i*src_stride3+4]);\
144
d= AV_RN32(&src4[i*src_stride4+4]);\
145
l0= (a&0x03030303UL)\
146
+ (b&0x03030303UL)\
147
+ 0x02020202UL;\
148
h0= ((a&0xFCFCFCFCUL)>>2)\
149
+ ((b&0xFCFCFCFCUL)>>2);\
150
l1= (c&0x03030303UL)\
151
+ (d&0x03030303UL);\
152
h1= ((c&0xFCFCFCFCUL)>>2)\
153
+ ((d&0xFCFCFCFCUL)>>2);\
154
OP(*((uint32_t*)&dst[i*dst_stride+4]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
155
}\
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}\
157
\
158
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
159
int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
160
/* FIXME HIGH BIT DEPTH*/
\
161
int i;\
162
for(i=0; i<h; i++){\
163
uint32_t a, b, c, d, l0, l1, h0, h1;\
164
a= AV_RN32(&src1[i*src_stride1]);\
165
b= AV_RN32(&src2[i*src_stride2]);\
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c= AV_RN32(&src3[i*src_stride3]);\
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d= AV_RN32(&src4[i*src_stride4]);\
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l0= (a&0x03030303UL)\
169
+ (b&0x03030303UL)\
170
+ 0x01010101UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
172
+ ((b&0xFCFCFCFCUL)>>2);\
173
l1= (c&0x03030303UL)\
174
+ (d&0x03030303UL);\
175
h1= ((c&0xFCFCFCFCUL)>>2)\
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+ ((d&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)&dst[i*dst_stride]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
178
a= AV_RN32(&src1[i*src_stride1+4]);\
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b= AV_RN32(&src2[i*src_stride2+4]);\
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c= AV_RN32(&src3[i*src_stride3+4]);\
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d= AV_RN32(&src4[i*src_stride4+4]);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
184
+ 0x01010101UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
187
l1= (c&0x03030303UL)\
188
+ (d&0x03030303UL);\
189
h1= ((c&0xFCFCFCFCUL)>>2)\
190
+ ((d&0xFCFCFCFCUL)>>2);\
191
OP(*((uint32_t*)&dst[i*dst_stride+4]), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
192
}\
193
}\
194
static inline void FUNC(OPNAME ## _pixels16_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
195
int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
196
FUNC(OPNAME ## _pixels8_l4)(dst , src1 , src2 , src3 , src4 , dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
197
FUNC(OPNAME ## _pixels8_l4)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), src3+8*sizeof(pixel), src4+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
198
}\
199
static inline void FUNC(OPNAME ## _no_rnd_pixels16_l4)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4,\
200
int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
201
FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst , src1 , src2 , src3 , src4 , dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
202
FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), src3+8*sizeof(pixel), src4+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, src_stride3, src_stride4, h);\
203
}\
204
\
205
static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
206
{\
207
/* FIXME HIGH BIT DEPTH */
\
208
int j;\
209
for(j=0; j<2; j++){\
210
int i;\
211
const uint32_t a= AV_RN32(pixels );\
212
const uint32_t b= AV_RN32(pixels+1);\
213
uint32_t l0= (a&0x03030303UL)\
214
+ (b&0x03030303UL)\
215
+ 0x02020202UL;\
216
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
217
+ ((b&0xFCFCFCFCUL)>>2);\
218
uint32_t l1,h1;\
219
\
220
pixels+=line_size;\
221
for(i=0; i<h; i+=2){\
222
uint32_t a= AV_RN32(pixels );\
223
uint32_t b= AV_RN32(pixels+1);\
224
l1= (a&0x03030303UL)\
225
+ (b&0x03030303UL);\
226
h1= ((a&0xFCFCFCFCUL)>>2)\
227
+ ((b&0xFCFCFCFCUL)>>2);\
228
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
229
pixels+=line_size;\
230
block +=line_size;\
231
a= AV_RN32(pixels );\
232
b= AV_RN32(pixels+1);\
233
l0= (a&0x03030303UL)\
234
+ (b&0x03030303UL)\
235
+ 0x02020202UL;\
236
h0= ((a&0xFCFCFCFCUL)>>2)\
237
+ ((b&0xFCFCFCFCUL)>>2);\
238
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
239
pixels+=line_size;\
240
block +=line_size;\
241
}\
242
pixels+=4-line_size*(h+1);\
243
block +=4-line_size*h;\
244
}\
245
}\
246
\
247
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\
248
249
#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
250
#define op_put(a, b) a = b
251
#if BIT_DEPTH == 8
252
#define put_no_rnd_pixels8_8_c put_pixels8_8_c
253
PIXOP2
(avg,
op_avg
)
254
PIXOP2
(put,
op_put
)
255
#endif
256
#undef op_avg
257
#undef op_put
Generated on Wed Jul 10 2013 23:47:57 for FFmpeg by
1.8.2