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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 #include "vpx_config.h"
12 #include "vp8_rtcd.h"
13 
14 /* place these declarations here because we don't want to maintain them
15  * outside of this scope
16  */
17 void idct_dequant_full_2x_neon(short *q, short *dq, unsigned char *dst,
18                                int stride);
19 void idct_dequant_0_2x_neon(short *q, short dq, unsigned char *dst, int stride);
20 
vp8_dequant_idct_add_y_block_neon(short * q,short * dq,unsigned char * dst,int stride,char * eobs)21 void vp8_dequant_idct_add_y_block_neon(short *q, short *dq, unsigned char *dst,
22                                        int stride, char *eobs) {
23   int i;
24 
25   for (i = 0; i < 4; ++i) {
26     if (((short *)(eobs))[0]) {
27       if (((short *)eobs)[0] & 0xfefe)
28         idct_dequant_full_2x_neon(q, dq, dst, stride);
29       else
30         idct_dequant_0_2x_neon(q, dq[0], dst, stride);
31     }
32 
33     if (((short *)(eobs))[1]) {
34       if (((short *)eobs)[1] & 0xfefe)
35         idct_dequant_full_2x_neon(q + 32, dq, dst + 8, stride);
36       else
37         idct_dequant_0_2x_neon(q + 32, dq[0], dst + 8, stride);
38     }
39     q += 64;
40     dst += 4 * stride;
41     eobs += 4;
42   }
43 }
44 
vp8_dequant_idct_add_uv_block_neon(short * q,short * dq,unsigned char * dstu,unsigned char * dstv,int stride,char * eobs)45 void vp8_dequant_idct_add_uv_block_neon(short *q, short *dq,
46                                         unsigned char *dstu,
47                                         unsigned char *dstv, int stride,
48                                         char *eobs) {
49   if (((short *)(eobs))[0]) {
50     if (((short *)eobs)[0] & 0xfefe)
51       idct_dequant_full_2x_neon(q, dq, dstu, stride);
52     else
53       idct_dequant_0_2x_neon(q, dq[0], dstu, stride);
54   }
55 
56   q += 32;
57   dstu += 4 * stride;
58 
59   if (((short *)(eobs))[1]) {
60     if (((short *)eobs)[1] & 0xfefe)
61       idct_dequant_full_2x_neon(q, dq, dstu, stride);
62     else
63       idct_dequant_0_2x_neon(q, dq[0], dstu, stride);
64   }
65 
66   q += 32;
67 
68   if (((short *)(eobs))[2]) {
69     if (((short *)eobs)[2] & 0xfefe)
70       idct_dequant_full_2x_neon(q, dq, dstv, stride);
71     else
72       idct_dequant_0_2x_neon(q, dq[0], dstv, stride);
73   }
74 
75   q += 32;
76   dstv += 4 * stride;
77 
78   if (((short *)(eobs))[3]) {
79     if (((short *)eobs)[3] & 0xfefe)
80       idct_dequant_full_2x_neon(q, dq, dstv, stride);
81     else
82       idct_dequant_0_2x_neon(q, dq[0], dstv, stride);
83   }
84 }
85