1 /*
2  * Copyright (C) 2009 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 "OMXClient"
19 
20 #ifdef __LP64__
21 #define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
22 #endif
23 
24 #include <utils/Log.h>
25 #include <cutils/properties.h>
26 
27 #include <binder/IServiceManager.h>
28 #include <media/IMediaCodecService.h>
29 #include <media/stagefright/OMXClient.h>
30 
31 #include <media/IOMX.h>
32 
33 #include <media/omx/1.0/WOmx.h>
34 
35 namespace android {
36 
OMXClient()37 OMXClient::OMXClient() {
38 }
39 
connect()40 status_t OMXClient::connect() {
41     return connect(nullptr);
42 }
43 
connect(bool * trebleFlag)44 status_t OMXClient::connect(bool* trebleFlag) {
45     if (property_get_bool("persist.media.treble_omx", true)) {
46         if (trebleFlag != nullptr) {
47             *trebleFlag = true;
48         }
49         return connectTreble();
50     }
51     if (trebleFlag != nullptr) {
52         *trebleFlag = false;
53     }
54     return connectLegacy();
55 }
56 
connectLegacy()57 status_t OMXClient::connectLegacy() {
58     sp<IServiceManager> sm = defaultServiceManager();
59     sp<IBinder> codecbinder = sm->getService(String16("media.codec"));
60     sp<IMediaCodecService> codecservice = interface_cast<IMediaCodecService>(codecbinder);
61 
62     if (codecservice.get() == NULL) {
63         ALOGE("Cannot obtain IMediaCodecService");
64         return NO_INIT;
65     }
66 
67     mOMX = codecservice->getOMX();
68     if (mOMX.get() == NULL) {
69         ALOGE("Cannot obtain mediacodec IOMX");
70         return NO_INIT;
71     }
72 
73     return OK;
74 }
75 
connectTreble()76 status_t OMXClient::connectTreble() {
77     using namespace ::android::hardware::media::omx::V1_0;
78     sp<IOmx> tOmx = IOmx::getService("default");
79     if (tOmx.get() == nullptr) {
80         ALOGE("Cannot obtain Treble IOmx.");
81         return NO_INIT;
82     }
83     if (!tOmx->isRemote()) {
84         ALOGE("Treble IOmx is in passthrough mode.");
85         return NO_INIT;
86     }
87     mOMX = new utils::LWOmx(tOmx);
88     ALOGI("Treble IOmx obtained");
89     return OK;
90 }
91 
disconnect()92 void OMXClient::disconnect() {
93     mOMX.clear();
94 }
95 
96 }  // namespace android
97