IID_to_MPH.c revision 8ca039e1f9d95f8b14a59e135426882e3470e9d9 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17// This file is automagically generated by hashgen, do not edit
18
19/** \file IID_to_MPH.c Interface ID to MPH mapping */
20
21#include "SLES/OpenSLES.h"
22#include "MPH.h"
23#include <assert.h>
24#include <string.h>
25
26extern const struct SLInterfaceID_ SL_IID_array[MPH_MAX];
27
28/** \brief Map SLInterfaceID to its minimal perfect hash (MPH), or -1 if unknown */
29
30int IID_to_MPH(const SLInterfaceID iid)
31{
32#define MAX_HASH_VALUE 115
33  static const unsigned char asso_values[] =
34    {
35        5, 116, 116,   2, 116, 116,  17, 116, 116,  17,
36      116,  22, 116, 116, 116,  51, 116, 116, 116, 116,
37      116, 116,   2, 116, 116,  46, 116, 116, 116, 116,
38      116,  17,  20, 116, 116, 116, 116, 116, 116, 116,
39      116, 116,  51,  20,  46, 116,  31, 116, 116, 116,
40      116, 116, 116,  36, 116,   2, 116, 116,   2, 116,
41      116,  61, 116,   2,  55, 116, 116, 116, 116,  16,
42      116,  26, 116, 116, 116, 116, 116, 116, 116, 116,
43       21, 116, 116, 116, 116, 116,  26, 116, 116, 116,
44       11, 116, 116, 116, 116, 116,  40,  21, 116,  60,
45      116, 116, 116, 116, 116, 116,  16, 116, 116, 116,
46      116, 116,   1, 116, 116, 116, 116, 116, 116, 116,
47      116,  11,  55,   6, 116, 116, 116,   6,  45, 116,
48      116,   1, 116, 116, 116, 116, 116,   1, 116, 116,
49      116,   1, 116, 116, 116, 116, 116, 116, 116, 116,
50      116,  60, 116, 116, 116, 116, 116, 116, 116, 116,
51       10, 116, 116, 116, 116, 116, 116, 116, 116, 116,
52       50, 116, 116, 116,  45, 116, 116, 116,  60, 116,
53       45, 116, 116, 116, 116,  55, 116, 116, 116, 116,
54      116, 116,  15, 116,  35, 116,  45,   5, 116,  50,
55      116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
56      116, 116,  40, 116, 116,  50, 116, 116, 116, 116,
57      116,  25, 116, 116,  15,  40, 116, 116,  10, 116,
58      116, 116, 116, 116, 116,  10,   0, 116, 116,  15,
59       30, 116, 116, 116, 116, 116,  55, 116, 116, 116,
60      116, 116, 116, 116,   0, 116
61    };
62    static const signed char hash_to_MPH[] = {
63        MPH_NULL,
64        -1,
65        -1,
66        -1,
67        -1,
68        MPH_OUTPUTMIXEXT,
69        MPH_3DSOURCE,
70        MPH_VIRTUALIZER,
71        -1,
72        -1,
73        MPH_DYNAMICSOURCE,
74        MPH_ENGINECAPABILITIES,
75        MPH_AUDIODECODERCAPABILITIES,
76        -1,
77        -1,
78        MPH_RECORD,
79        MPH_ANDROIDCONFIGURATION,
80        MPH_XASTREAMINFORMATION,
81        -1,
82        -1,
83        MPH_VISUALIZATION,
84        MPH_ANDROIDEFFECTSEND,
85        MPH_MIDITEMPO,
86        -1,
87        -1,
88        MPH_3DGROUPING,
89        MPH_MUTESOLO,
90        MPH_EQUALIZER,
91        -1,
92        -1,
93        MPH_PLAY,
94        MPH_EFFECTSEND,
95        MPH_VOLUME,
96        -1,
97        -1,
98        MPH_BUFFERQUEUE,
99        MPH_3DMACROSCOPIC,
100        MPH_BASSBOOST,
101        -1,
102        -1,
103        MPH_3DLOCATION,
104        MPH_ENGINE,
105        MPH_VIBRA,
106        -1,
107        -1,
108        MPH_MIDIMESSAGE,
109        MPH_ANDROIDBUFFERQUEUE,
110        MPH_MIDIMUTESOLO,
111        -1,
112        -1,
113        MPH_SEEK,
114        MPH_OBJECT,
115        -1,
116        -1,
117        -1,
118        MPH_PITCH,
119        MPH_ANDROIDEFFECTCAPABILITIES,
120        -1,
121        -1,
122        -1,
123        MPH_METADATATRAVERSAL,
124        MPH_RATEPITCH,
125        -1,
126        -1,
127        -1,
128        MPH_ENVIRONMENTALREVERB,
129        MPH_PRESETREVERB,
130        -1,
131        -1,
132        -1,
133        MPH_XAPLAY,
134        MPH_XAENGINE,
135        -1,
136        -1,
137        -1,
138        MPH_AUDIOIODEVICECAPABILITIES,
139        MPH_MIDITIME,
140        -1,
141        -1,
142        -1,
143        MPH_DEVICEVOLUME,
144        MPH_3DCOMMIT,
145        -1,
146        -1,
147        -1,
148        MPH_ANDROIDEFFECT,
149        MPH_PLAYBACKRATE,
150        -1,
151        -1,
152        -1,
153        MPH_3DDOPPLER,
154        MPH_LED,
155        -1,
156        -1,
157        -1,
158        MPH_METADATAEXTRACTION,
159        MPH_PREFETCHSTATUS,
160        -1,
161        -1,
162        -1,
163        MPH_OUTPUTMIX,
164        MPH_ANDROIDSIMPLEBUFFERQUEUE,
165        -1,
166        -1,
167        -1,
168        MPH_AUDIOENCODER,
169        MPH_AUDIOENCODERCAPABILITIES,
170        -1,
171        -1,
172        -1,
173        MPH_THREADSYNC,
174        -1,
175        -1,
176        -1,
177        -1,
178        MPH_DYNAMICINTERFACEMANAGEMENT
179    };
180    if (&SL_IID_array[0] <= iid && &SL_IID_array[MPH_MAX] > iid)
181        return iid - &SL_IID_array[0];
182    if (NULL != iid) {
183        unsigned key = asso_values[((unsigned char *)iid)[3]] +
184            asso_values[((unsigned char *)iid)[0]];
185        if (key <= MAX_HASH_VALUE) {
186            int MPH = hash_to_MPH[key];
187            if (MPH >= 0) {
188                assert(MPH < MPH_MAX);
189                SLInterfaceID trial = &SL_IID_array[MPH];
190                if (!memcmp(iid, trial, sizeof(struct SLInterfaceID_)))
191                    return MPH;
192            }
193        }
194    }
195    return -1;
196}
197