1 /*!
2 * \copy
3 * Copyright (c) 2011-2013, Cisco Systems
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * \file : util.h
32 *
33 * \brief : utils for wels video processor class
34 *
35 * \date : 2011/01/04
36 *
37 * \description :
38 *
39 *************************************************************************************
40 */
41
42 #ifndef WELSVP_UTIL_H
43 #define WELSVP_UTIL_H
44
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <stdarg.h>
49 #include <assert.h>
50
51 #include "typedef.h"
52 #include "memory.h"
53 #include "IWelsVP.h"
54
55 WELSVP_NAMESPACE_BEGIN
56
57 #define MAX_MBS_PER_FRAME 36864 //in accordance with max level support in Rec
58
59 #define MB_WIDTH_LUMA (16)
60 #define PESN (1e-6) // desired float precision
61 #define AQ_INT_MULTIPLY 10000000
62 #define AQ_TIME_INT_MULTIPLY 10000
63 #define AQ_QSTEP_INT_MULTIPLY 100
64 #define AQ_PESN 10 // (1e-6)*AQ_INT_MULTIPLY
65
66 #define MB_TYPE_INTRA4x4 0x00000001
67 #define MB_TYPE_INTRA16x16 0x00000002
68 #define MB_TYPE_INTRA_PCM 0x00000004
69 #define MB_TYPE_INTRA (MB_TYPE_INTRA4x4 | MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)
70 #define IS_INTRA(type) ((type)&MB_TYPE_INTRA)
71
72 #define WELS_MAX(x, y) ((x) > (y) ? (x) : (y))
73 #define WELS_MIN(x, y) ((x) < (y) ? (x) : (y))
74
75 #ifndef WELS_SIGN
76 #define WELS_SIGN(a) ((int32_t)(a) >> 31)
77 #endif
78
79 #ifndef WELS_ABS
80 #define WELS_ABS(a) ((WELS_SIGN(a) ^ (int32_t)(a)) - WELS_SIGN(a))
81 #endif
82
83 #define WELS_CLAMP(x, minv, maxv) WELS_MIN(WELS_MAX(x, minv), maxv)
84
85 #define ALIGNBYTES (16) /* Worst case is requiring alignment to an 16 byte boundary */
86
87 #define WelsCastFromPointer(p) (reinterpret_cast<intptr_t>(p))
88 #define WelsStaticCast(type, p) (static_cast<type>(p))
89 #define WelsDynamicCast(type, p) (dynamic_cast<type>(p))
90
91 #define GET_METHOD(x) ((x) & 0xff) // mask method as the lowest 8bits
92 #define GET_SPECIAL(x) (((x) >> 8) & 0xff) // mask special flag as 8bits
93
WelsVpGetValidMethod(int32_t a)94 inline EMethods WelsVpGetValidMethod (int32_t a) {
95 int32_t iMethod = GET_METHOD (a);
96 return WelsStaticCast (EMethods, WELS_CLAMP (iMethod, METHOD_NULL + 1, METHOD_MASK - 1));
97 }
98
99
100
101 WELSVP_NAMESPACE_END
102
103 #endif
104
105
106