1 /*
2 * Copyright 2017, 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 #define LOG_TAG "isAtLeastRelease"
18
19 #include <android/api-level.h>
20 #include <android-base/properties.h>
21 #include <utils/Log.h>
22
23 #include <mutex>
24 #include <string>
25
26 // current SDK for this device; filled in when initializing the parser.
27 static int mySdk = 0;
28 static std::string myCodeName;
29
30 // to help address b/388925029
31
32 /**
33 * support code so a plugin (currently the APV codecs) can self-manage
34 * whether it is running on a sufficiently new code base.
35 *
36 * this is here because the XMLparser for Media codec definitions has
37 * an off-by-one error in how it handles <MediaCodec name=".." ... minsdk="" >
38 *
39 * we will want to fix that starting in Android B/16, but devices in Android V/15
40 * still have issues [and we build the codecs into module code so that it goes back
41 * to older releases].
42 *
43 */
44
isAtLeastRelease(int minsdk,const char * codename)45 bool isAtLeastRelease(int minsdk, const char *codename) {
46
47 static std::once_flag sCheckOnce;
48 std::call_once(sCheckOnce, [&](){
49 mySdk = android_get_device_api_level();
50 myCodeName = android::base::GetProperty("ro.build.version.codename", "<none>");
51 });
52
53 bool satisfied = false;
54 ALOGI("device sdk %d, minsdk %d", mySdk, minsdk);
55 if (mySdk >= minsdk) {
56 satisfied = true;
57 }
58
59 // allow the called to skip the codename.
60 if (codename != nullptr) {
61 ALOGI("active codename %s, to match %s", myCodeName.c_str(), codename);
62 if (myCodeName == codename) {
63 satisfied = true;
64 }
65 }
66
67 return satisfied;
68 }
69