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 /* MetadataExtraction implementation */
18
19 #include "sles_allinclusive.h"
20
21
IMetadataExtraction_GetItemCount(SLMetadataExtractionItf self,SLuint32 * pItemCount)22 static SLresult IMetadataExtraction_GetItemCount(SLMetadataExtractionItf self, SLuint32 *pItemCount)
23 {
24 SL_ENTER_INTERFACE
25
26 if (NULL == pItemCount) {
27 result = SL_RESULT_PARAMETER_INVALID;
28 } else {
29 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
30 if (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) {
31 result = android_audioPlayer_metadata_getItemCount((CAudioPlayer *)thiz->mThis,
32 pItemCount);
33 } else {
34 result = SL_RESULT_PARAMETER_INVALID;
35 }
36 }
37
38 SL_LEAVE_INTERFACE
39 }
40
41
IMetadataExtraction_GetKeySize(SLMetadataExtractionItf self,SLuint32 index,SLuint32 * pKeySize)42 static SLresult IMetadataExtraction_GetKeySize(SLMetadataExtractionItf self,
43 SLuint32 index, SLuint32 *pKeySize)
44 {
45 SL_ENTER_INTERFACE
46
47 if (NULL == pKeySize) {
48 result = SL_RESULT_PARAMETER_INVALID;
49 } else {
50 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
51 if (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) {
52 result = android_audioPlayer_metadata_getKeySize((CAudioPlayer *)thiz->mThis,
53 index, pKeySize);
54 } else {
55 result = SL_RESULT_PARAMETER_INVALID;
56 }
57 }
58
59 SL_LEAVE_INTERFACE
60 }
61
62
IMetadataExtraction_GetKey(SLMetadataExtractionItf self,SLuint32 index,SLuint32 keySize,SLMetadataInfo * pKey)63 static SLresult IMetadataExtraction_GetKey(SLMetadataExtractionItf self,
64 SLuint32 index, SLuint32 keySize, SLMetadataInfo *pKey)
65 {
66 SL_ENTER_INTERFACE
67
68 if (NULL == pKey) {
69 result = SL_RESULT_PARAMETER_INVALID;
70 } else {
71 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
72 if (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) {
73 result = android_audioPlayer_metadata_getKey((CAudioPlayer *)thiz->mThis,
74 index, keySize, pKey);
75 } else {
76 result = SL_RESULT_PARAMETER_INVALID;
77 }
78 }
79
80 SL_LEAVE_INTERFACE
81 }
82
83
IMetadataExtraction_GetValueSize(SLMetadataExtractionItf self,SLuint32 index,SLuint32 * pValueSize)84 static SLresult IMetadataExtraction_GetValueSize(SLMetadataExtractionItf self,
85 SLuint32 index, SLuint32 *pValueSize)
86 {
87 SL_ENTER_INTERFACE
88
89 if (NULL == pValueSize) {
90 result = SL_RESULT_PARAMETER_INVALID;
91 } else {
92 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
93 if (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) {
94 result = android_audioPlayer_metadata_getValueSize((CAudioPlayer *)thiz->mThis,
95 index, pValueSize);
96 } else {
97 result = SL_RESULT_PARAMETER_INVALID;
98 }
99 }
100
101 SL_LEAVE_INTERFACE
102 }
103
104
IMetadataExtraction_GetValue(SLMetadataExtractionItf self,SLuint32 index,SLuint32 valueSize,SLMetadataInfo * pValue)105 static SLresult IMetadataExtraction_GetValue(SLMetadataExtractionItf self,
106 SLuint32 index, SLuint32 valueSize, SLMetadataInfo *pValue)
107 {
108 SL_ENTER_INTERFACE
109
110 if (NULL == pValue) {
111 result = SL_RESULT_PARAMETER_INVALID;
112 } else {
113 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
114 if (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) {
115 result = android_audioPlayer_metadata_getValue((CAudioPlayer *)thiz->mThis,
116 index, valueSize, pValue);
117 } else {
118 result = SL_RESULT_PARAMETER_INVALID;
119 }
120 }
121
122 SL_LEAVE_INTERFACE
123 }
124
125
IMetadataExtraction_AddKeyFilter(SLMetadataExtractionItf self,SLuint32 keySize,const void * pKey,SLuint32 keyEncoding,const SLchar * pValueLangCountry,SLuint32 valueEncoding,SLuint8 filterMask)126 static SLresult IMetadataExtraction_AddKeyFilter(SLMetadataExtractionItf self,
127 SLuint32 keySize, const void *pKey, SLuint32 keyEncoding,
128 const SLchar *pValueLangCountry, SLuint32 valueEncoding, SLuint8 filterMask)
129 {
130 SL_ENTER_INTERFACE
131
132 if (NULL == pKey || NULL == pValueLangCountry || (filterMask & ~(SL_METADATA_FILTER_KEY |
133 SL_METADATA_FILTER_KEY | SL_METADATA_FILTER_KEY))) {
134 result = SL_RESULT_PARAMETER_INVALID;
135 } else {
136 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
137 interface_lock_exclusive(thiz);
138 thiz->mKeySize = keySize;
139 thiz->mKey = pKey;
140 thiz->mKeyEncoding = keyEncoding;
141 thiz->mValueLangCountry = pValueLangCountry; // should make a local copy
142 thiz->mValueEncoding = valueEncoding;
143 thiz->mFilterMask = filterMask;
144 interface_unlock_exclusive(thiz);
145 result = SL_RESULT_SUCCESS;
146 }
147
148 SL_LEAVE_INTERFACE
149 }
150
151
IMetadataExtraction_ClearKeyFilter(SLMetadataExtractionItf self)152 static SLresult IMetadataExtraction_ClearKeyFilter(SLMetadataExtractionItf self)
153 {
154 SL_ENTER_INTERFACE
155
156 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
157 thiz->mKeyFilter = 0;
158 result = SL_RESULT_SUCCESS;
159
160 SL_LEAVE_INTERFACE
161 }
162
163
164 static const struct SLMetadataExtractionItf_ IMetadataExtraction_Itf = {
165 IMetadataExtraction_GetItemCount,
166 IMetadataExtraction_GetKeySize,
167 IMetadataExtraction_GetKey,
168 IMetadataExtraction_GetValueSize,
169 IMetadataExtraction_GetValue,
170 IMetadataExtraction_AddKeyFilter,
171 IMetadataExtraction_ClearKeyFilter
172 };
173
IMetadataExtraction_init(void * self)174 void IMetadataExtraction_init(void *self)
175 {
176 IMetadataExtraction *thiz = (IMetadataExtraction *) self;
177 thiz->mItf = &IMetadataExtraction_Itf;
178 thiz->mKeySize = 0;
179 thiz->mKey = NULL;
180 thiz->mKeyEncoding = 0 /*TBD*/;
181 thiz->mValueLangCountry = 0 /*TBD*/;
182 thiz->mValueEncoding = 0 /*TBD*/;
183 thiz->mFilterMask = 0 /*TBD*/;
184 thiz->mKeyFilter = 0;
185 }
186