• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 
12 #include <stdlib.h>
13 
vp8_sad16x16_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int max_sad)14 unsigned int vp8_sad16x16_c(
15     const unsigned char *src_ptr,
16     int  src_stride,
17     const unsigned char *ref_ptr,
18     int  ref_stride,
19     int max_sad)
20 {
21 
22     int r, c;
23     unsigned int sad = 0;
24 
25     for (r = 0; r < 16; r++)
26     {
27         for (c = 0; c < 16; c++)
28         {
29             sad += abs(src_ptr[c] - ref_ptr[c]);
30         }
31 
32         src_ptr += src_stride;
33         ref_ptr += ref_stride;
34     }
35 
36     return sad;
37 }
38 
39 
40 static __inline
sad_mx_n_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int m,int n)41 unsigned int sad_mx_n_c(
42     const unsigned char *src_ptr,
43     int  src_stride,
44     const unsigned char *ref_ptr,
45     int  ref_stride,
46     int m,
47     int n)
48 {
49 
50     int r, c;
51     unsigned int sad = 0;
52 
53     for (r = 0; r < n; r++)
54     {
55         for (c = 0; c < m; c++)
56         {
57             sad += abs(src_ptr[c] - ref_ptr[c]);
58         }
59 
60         src_ptr += src_stride;
61         ref_ptr += ref_stride;
62     }
63 
64     return sad;
65 }
66 
67 
vp8_sad8x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int max_sad)68 unsigned int vp8_sad8x8_c(
69     const unsigned char *src_ptr,
70     int  src_stride,
71     const unsigned char *ref_ptr,
72     int  ref_stride,
73     int max_sad)
74 {
75 
76     return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 8);
77 }
78 
79 
vp8_sad16x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int max_sad)80 unsigned int vp8_sad16x8_c(
81     const unsigned char *src_ptr,
82     int  src_stride,
83     const unsigned char *ref_ptr,
84     int  ref_stride,
85     int max_sad)
86 {
87 
88     return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 8);
89 
90 }
91 
92 
vp8_sad8x16_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int max_sad)93 unsigned int vp8_sad8x16_c(
94     const unsigned char *src_ptr,
95     int  src_stride,
96     const unsigned char *ref_ptr,
97     int  ref_stride,
98     int max_sad)
99 {
100 
101     return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 16);
102 }
103 
104 
vp8_sad4x4_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,int max_sad)105 unsigned int vp8_sad4x4_c(
106     const unsigned char *src_ptr,
107     int  src_stride,
108     const unsigned char *ref_ptr,
109     int  ref_stride,
110     int max_sad)
111 {
112 
113     return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 4, 4);
114 }
115 
vp8_sad16x16x3_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned int * sad_array)116 void vp8_sad16x16x3_c(
117     const unsigned char *src_ptr,
118     int  src_stride,
119     const unsigned char *ref_ptr,
120     int  ref_stride,
121     unsigned int *sad_array
122 )
123 {
124     sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
125     sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
126     sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
127 }
128 
vp8_sad16x16x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned short * sad_array)129 void vp8_sad16x16x8_c(
130     const unsigned char *src_ptr,
131     int  src_stride,
132     const unsigned char *ref_ptr,
133     int  ref_stride,
134     unsigned short *sad_array
135 )
136 {
137     sad_array[0] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
138     sad_array[1] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
139     sad_array[2] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
140     sad_array[3] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 3 , ref_stride, 0x7fffffff);
141     sad_array[4] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, 0x7fffffff);
142     sad_array[5] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, 0x7fffffff);
143     sad_array[6] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 6 , ref_stride, 0x7fffffff);
144     sad_array[7] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, 0x7fffffff);
145 }
146 
vp8_sad16x8x3_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned int * sad_array)147 void vp8_sad16x8x3_c(
148     const unsigned char *src_ptr,
149     int  src_stride,
150     const unsigned char *ref_ptr,
151     int  ref_stride,
152     unsigned int *sad_array
153 )
154 {
155     sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
156     sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
157     sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
158 }
159 
vp8_sad16x8x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned short * sad_array)160 void vp8_sad16x8x8_c(
161     const unsigned char *src_ptr,
162     int  src_stride,
163     const unsigned char *ref_ptr,
164     int  ref_stride,
165     unsigned short *sad_array
166 )
167 {
168     sad_array[0] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
169     sad_array[1] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
170     sad_array[2] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
171     sad_array[3] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 3 , ref_stride, 0x7fffffff);
172     sad_array[4] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, 0x7fffffff);
173     sad_array[5] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, 0x7fffffff);
174     sad_array[6] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 6 , ref_stride, 0x7fffffff);
175     sad_array[7] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, 0x7fffffff);
176 }
177 
vp8_sad8x8x3_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned int * sad_array)178 void vp8_sad8x8x3_c(
179     const unsigned char *src_ptr,
180     int  src_stride,
181     const unsigned char *ref_ptr,
182     int  ref_stride,
183     unsigned int *sad_array
184 )
185 {
186     sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
187     sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
188     sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
189 }
190 
vp8_sad8x8x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned short * sad_array)191 void vp8_sad8x8x8_c(
192     const unsigned char *src_ptr,
193     int  src_stride,
194     const unsigned char *ref_ptr,
195     int  ref_stride,
196     unsigned short *sad_array
197 )
198 {
199     sad_array[0] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
200     sad_array[1] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
201     sad_array[2] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
202     sad_array[3] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 3 , ref_stride, 0x7fffffff);
203     sad_array[4] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, 0x7fffffff);
204     sad_array[5] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, 0x7fffffff);
205     sad_array[6] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 6 , ref_stride, 0x7fffffff);
206     sad_array[7] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, 0x7fffffff);
207 }
208 
vp8_sad8x16x3_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned int * sad_array)209 void vp8_sad8x16x3_c(
210     const unsigned char *src_ptr,
211     int  src_stride,
212     const unsigned char *ref_ptr,
213     int  ref_stride,
214     unsigned int *sad_array
215 )
216 {
217     sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
218     sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
219     sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
220 }
221 
vp8_sad8x16x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned short * sad_array)222 void vp8_sad8x16x8_c(
223     const unsigned char *src_ptr,
224     int  src_stride,
225     const unsigned char *ref_ptr,
226     int  ref_stride,
227     unsigned short *sad_array
228 )
229 {
230     sad_array[0] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
231     sad_array[1] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
232     sad_array[2] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
233     sad_array[3] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 3 , ref_stride, 0x7fffffff);
234     sad_array[4] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, 0x7fffffff);
235     sad_array[5] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, 0x7fffffff);
236     sad_array[6] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 6 , ref_stride, 0x7fffffff);
237     sad_array[7] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, 0x7fffffff);
238 }
239 
vp8_sad4x4x3_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned int * sad_array)240 void vp8_sad4x4x3_c(
241     const unsigned char *src_ptr,
242     int  src_stride,
243     const unsigned char *ref_ptr,
244     int  ref_stride,
245     unsigned int *sad_array
246 )
247 {
248     sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
249     sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
250     sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
251 }
252 
vp8_sad4x4x8_c(const unsigned char * src_ptr,int src_stride,const unsigned char * ref_ptr,int ref_stride,unsigned short * sad_array)253 void vp8_sad4x4x8_c(
254     const unsigned char *src_ptr,
255     int  src_stride,
256     const unsigned char *ref_ptr,
257     int  ref_stride,
258     unsigned short *sad_array
259 )
260 {
261     sad_array[0] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr  , ref_stride, 0x7fffffff);
262     sad_array[1] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
263     sad_array[2] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
264     sad_array[3] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 3 , ref_stride, 0x7fffffff);
265     sad_array[4] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, 0x7fffffff);
266     sad_array[5] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, 0x7fffffff);
267     sad_array[6] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 6 , ref_stride, 0x7fffffff);
268     sad_array[7] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, 0x7fffffff);
269 }
270 
vp8_sad16x16x4d_c(const unsigned char * src_ptr,int src_stride,unsigned char * ref_ptr[],int ref_stride,unsigned int * sad_array)271 void vp8_sad16x16x4d_c(
272     const unsigned char *src_ptr,
273     int  src_stride,
274     unsigned char *ref_ptr[],
275     int  ref_stride,
276     unsigned int *sad_array
277 )
278 {
279     sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
280     sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
281     sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
282     sad_array[3] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
283 }
284 
vp8_sad16x8x4d_c(const unsigned char * src_ptr,int src_stride,unsigned char * ref_ptr[],int ref_stride,unsigned int * sad_array)285 void vp8_sad16x8x4d_c(
286     const unsigned char *src_ptr,
287     int  src_stride,
288     unsigned char *ref_ptr[],
289     int  ref_stride,
290     unsigned int *sad_array
291 )
292 {
293     sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
294     sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
295     sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
296     sad_array[3] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
297 }
298 
vp8_sad8x8x4d_c(const unsigned char * src_ptr,int src_stride,unsigned char * ref_ptr[],int ref_stride,unsigned int * sad_array)299 void vp8_sad8x8x4d_c(
300     const unsigned char *src_ptr,
301     int  src_stride,
302     unsigned char *ref_ptr[],
303     int  ref_stride,
304     unsigned int *sad_array
305 )
306 {
307     sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
308     sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
309     sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
310     sad_array[3] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
311 }
312 
vp8_sad8x16x4d_c(const unsigned char * src_ptr,int src_stride,unsigned char * ref_ptr[],int ref_stride,unsigned int * sad_array)313 void vp8_sad8x16x4d_c(
314     const unsigned char *src_ptr,
315     int  src_stride,
316     unsigned char *ref_ptr[],
317     int  ref_stride,
318     unsigned int *sad_array
319 )
320 {
321     sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
322     sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
323     sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
324     sad_array[3] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
325 }
326 
vp8_sad4x4x4d_c(const unsigned char * src_ptr,int src_stride,unsigned char * ref_ptr[],int ref_stride,unsigned int * sad_array)327 void vp8_sad4x4x4d_c(
328     const unsigned char *src_ptr,
329     int  src_stride,
330     unsigned char *ref_ptr[],
331     int  ref_stride,
332     unsigned int *sad_array
333 )
334 {
335     sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
336     sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
337     sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
338     sad_array[3] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
339 }
340