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 /* 3DDoppler implementation */
18 
19 #include "sles_allinclusive.h"
20 
21 
I3DDoppler_SetVelocityCartesian(SL3DDopplerItf self,const SLVec3D * pVelocity)22 static SLresult I3DDoppler_SetVelocityCartesian(SL3DDopplerItf self, const SLVec3D *pVelocity)
23 {
24     SL_ENTER_INTERFACE
25 
26     if (NULL == pVelocity) {
27         result = SL_RESULT_PARAMETER_INVALID;
28     } else {
29         I3DDoppler *thiz = (I3DDoppler *) self;
30         SLVec3D velocityCartesian = *pVelocity;
31         interface_lock_exclusive(thiz);
32         thiz->mVelocityCartesian = velocityCartesian;
33         thiz->mVelocityActive = CARTESIAN_SET_SPHERICAL_UNKNOWN;
34         interface_unlock_exclusive(thiz);
35         result = SL_RESULT_SUCCESS;
36     }
37 
38     SL_LEAVE_INTERFACE
39 }
40 
41 
I3DDoppler_SetVelocitySpherical(SL3DDopplerItf self,SLmillidegree azimuth,SLmillidegree elevation,SLmillimeter speed)42 static SLresult I3DDoppler_SetVelocitySpherical(SL3DDopplerItf self,
43     SLmillidegree azimuth, SLmillidegree elevation, SLmillimeter speed)
44 {
45     SL_ENTER_INTERFACE
46 
47     I3DDoppler *thiz = (I3DDoppler *) self;
48     interface_lock_exclusive(thiz);
49     thiz->mVelocitySpherical.mAzimuth = azimuth;
50     thiz->mVelocitySpherical.mElevation = elevation;
51     thiz->mVelocitySpherical.mSpeed = speed;
52     thiz->mVelocityActive = CARTESIAN_UNKNOWN_SPHERICAL_SET;
53     interface_unlock_exclusive(thiz);
54     result = SL_RESULT_SUCCESS;
55 
56     SL_LEAVE_INTERFACE
57 }
58 
59 
I3DDoppler_GetVelocityCartesian(SL3DDopplerItf self,SLVec3D * pVelocity)60 static SLresult I3DDoppler_GetVelocityCartesian(SL3DDopplerItf self, SLVec3D *pVelocity)
61 {
62     SL_ENTER_INTERFACE
63 
64     if (NULL == pVelocity) {
65         result = SL_RESULT_PARAMETER_INVALID;
66     } else {
67         I3DDoppler *thiz = (I3DDoppler *) self;
68         interface_lock_exclusive(thiz);
69         for (;;) {
70             enum CartesianSphericalActive velocityActive = thiz->mVelocityActive;
71             switch (velocityActive) {
72             case CARTESIAN_COMPUTED_SPHERICAL_SET:
73             case CARTESIAN_SET_SPHERICAL_COMPUTED:  // not in 1.0.1
74             case CARTESIAN_SET_SPHERICAL_REQUESTED: // not in 1.0.1
75             case CARTESIAN_SET_SPHERICAL_UNKNOWN:
76                 {
77                 SLVec3D velocityCartesian = thiz->mVelocityCartesian;
78                 interface_unlock_exclusive(thiz);
79                 *pVelocity = velocityCartesian;
80                 }
81                 break;
82             case CARTESIAN_UNKNOWN_SPHERICAL_SET:
83                 thiz->mVelocityActive = CARTESIAN_REQUESTED_SPHERICAL_SET;
84                 // fall through
85             case CARTESIAN_REQUESTED_SPHERICAL_SET:
86                 // matched by cond_broadcast in case multiple requesters
87 #if 0
88                 interface_cond_wait(thiz);
89 #else
90                 thiz->mVelocityActive = CARTESIAN_COMPUTED_SPHERICAL_SET;
91 #endif
92                 continue;
93             default:
94                 assert(SL_BOOLEAN_FALSE);
95                 interface_unlock_exclusive(thiz);
96                 pVelocity->x = 0;
97                 pVelocity->y = 0;
98                 pVelocity->z = 0;
99                 break;
100             }
101             break;
102         }
103         result = SL_RESULT_SUCCESS;
104     }
105 
106     SL_LEAVE_INTERFACE
107 }
108 
109 
I3DDoppler_SetDopplerFactor(SL3DDopplerItf self,SLpermille dopplerFactor)110 static SLresult I3DDoppler_SetDopplerFactor(SL3DDopplerItf self, SLpermille dopplerFactor)
111 {
112     SL_ENTER_INTERFACE
113 
114     I3DDoppler *thiz = (I3DDoppler *) self;
115     interface_lock_poke(thiz);
116     thiz->mDopplerFactor = dopplerFactor;
117     interface_unlock_poke(thiz);
118     result = SL_RESULT_SUCCESS;
119 
120     SL_LEAVE_INTERFACE
121 }
122 
123 
I3DDoppler_GetDopplerFactor(SL3DDopplerItf self,SLpermille * pDopplerFactor)124 static SLresult I3DDoppler_GetDopplerFactor(SL3DDopplerItf self, SLpermille *pDopplerFactor)
125 {
126     SL_ENTER_INTERFACE
127 
128     if (NULL == pDopplerFactor) {
129         result = SL_RESULT_PARAMETER_INVALID;
130     } else {
131         I3DDoppler *thiz = (I3DDoppler *) self;
132         interface_lock_peek(thiz);
133         SLpermille dopplerFactor = thiz->mDopplerFactor;
134         interface_unlock_peek(thiz);
135         *pDopplerFactor = dopplerFactor;
136         result = SL_RESULT_SUCCESS;
137     }
138 
139     SL_LEAVE_INTERFACE
140 }
141 
142 
143 static const struct SL3DDopplerItf_ I3DDoppler_Itf = {
144     I3DDoppler_SetVelocityCartesian,
145     I3DDoppler_SetVelocitySpherical,
146     I3DDoppler_GetVelocityCartesian,
147     I3DDoppler_SetDopplerFactor,
148     I3DDoppler_GetDopplerFactor
149 };
150 
I3DDoppler_init(void * self)151 void I3DDoppler_init(void *self)
152 {
153     I3DDoppler *thiz = (I3DDoppler *) self;
154     thiz->mItf = &I3DDoppler_Itf;
155     thiz->mVelocityCartesian.x = 0;
156     thiz->mVelocityCartesian.y = 0;
157     thiz->mVelocityCartesian.z = 0;
158     memset(&thiz->mVelocitySpherical, 0x55, sizeof(thiz->mVelocitySpherical));
159     thiz->mVelocityActive = CARTESIAN_SET_SPHERICAL_UNKNOWN;
160     thiz->mDopplerFactor = 1000;
161 }
162