1 /*
2 * Copyright (C) 2014 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_NDEBUG 0
18 #define LOG_TAG "NdkMediaCrypto"
19
20
21 #include "NdkMediaCrypto.h"
22 #include "NdkMediaCodec.h"
23 #include "NdkMediaFormatPriv.h"
24
25
26 #include <utils/Log.h>
27 #include <utils/StrongPointer.h>
28 #include <binder/IServiceManager.h>
29 #include <media/ICrypto.h>
30 #include <media/IMediaPlayerService.h>
31 #include <android_runtime/AndroidRuntime.h>
32 #include <android_util_Binder.h>
33
34 #include <jni.h>
35
36 using namespace android;
37
translate_error(status_t err)38 static media_status_t translate_error(status_t err) {
39 if (err == OK) {
40 return AMEDIA_OK;
41 }
42 ALOGE("sf error code: %d", err);
43 return AMEDIA_ERROR_UNKNOWN;
44 }
45
46
makeCrypto()47 static sp<ICrypto> makeCrypto() {
48 sp<IServiceManager> sm = defaultServiceManager();
49
50 sp<IBinder> binder =
51 sm->getService(String16("media.player"));
52
53 sp<IMediaPlayerService> service =
54 interface_cast<IMediaPlayerService>(binder);
55
56 if (service == NULL) {
57 return NULL;
58 }
59
60 sp<ICrypto> crypto = service->makeCrypto();
61
62 if (crypto == NULL || (crypto->initCheck() != OK && crypto->initCheck() != NO_INIT)) {
63 return NULL;
64 }
65
66 return crypto;
67 }
68
69 struct AMediaCrypto {
70 sp<ICrypto> mCrypto;
71 };
72
73
74 extern "C" {
75
76
77 EXPORT
AMediaCrypto_isCryptoSchemeSupported(const AMediaUUID uuid)78 bool AMediaCrypto_isCryptoSchemeSupported(const AMediaUUID uuid) {
79 sp<ICrypto> crypto = makeCrypto();
80 if (crypto == NULL) {
81 return false;
82 }
83 return crypto->isCryptoSchemeSupported(uuid);
84 }
85
86 EXPORT
AMediaCrypto_requiresSecureDecoderComponent(const char * mime)87 bool AMediaCrypto_requiresSecureDecoderComponent(const char *mime) {
88 sp<ICrypto> crypto = makeCrypto();
89 if (crypto == NULL) {
90 return false;
91 }
92 return crypto->requiresSecureDecoderComponent(mime);
93 }
94
95 EXPORT
AMediaCrypto_new(const AMediaUUID uuid,const void * data,size_t datasize)96 AMediaCrypto* AMediaCrypto_new(const AMediaUUID uuid, const void *data, size_t datasize) {
97
98 sp<ICrypto> tmp = makeCrypto();
99 if (tmp == NULL) {
100 return NULL;
101 }
102
103 if (tmp->createPlugin(uuid, data, datasize) != 0) {
104 return NULL;
105 }
106
107 AMediaCrypto *crypto = new AMediaCrypto();
108 crypto->mCrypto = tmp;
109
110 return crypto;
111 }
112
113 EXPORT
AMediaCrypto_delete(AMediaCrypto * crypto)114 void AMediaCrypto_delete(AMediaCrypto* crypto) {
115 delete crypto;
116 }
117
118
119
120 } // extern "C"
121
122