1 /*
2 * Copyright (C) 2011 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 // Copied from frameworks/base/cmds/stagefright/stream.cpp
18
19 // Note to NDK developers who happen to see this: this module uses Android internal platform APIs
20 // that are not part of the NDK supported APIs, and are subject to change at any time.
21
22 #include <binder/ProcessState.h>
23 #include <gui/Surface.h>
24 #include <gui/SurfaceComposerClient.h>
25 #include <utils/String8.h>
26
27 #include "nativewindow.h"
28
29 #if 1
30 #include <assert.h>
31 #define CHECK assert
32 #define CHECK_EQ(a,b) CHECK((a)==(b))
33 #else
34 #include <media/stagefright/foundation/ADebug.h>
35 #endif
36
37 namespace android {
38
39 sp<Surface> gSurface;
40 sp<SurfaceComposerClient> gComposerClient;
41 sp<SurfaceControl> gControl;
42
getNativeWindow_()43 ANativeWindow *getNativeWindow_()
44 {
45 #if 0
46 android::ProcessState::self()->startThreadPool();
47 #endif
48
49 sp<SurfaceComposerClient> composerClient = new SurfaceComposerClient;
50 CHECK_EQ(composerClient->initCheck(), (status_t)OK);
51
52 sp<SurfaceControl> control =
53 composerClient->createSurface(
54 String8("A Surface"),
55 1280,
56 800,
57 PIXEL_FORMAT_RGB_565,
58 0);
59
60 CHECK(control != NULL);
61 CHECK(control->isValid());
62
63 SurfaceComposerClient::openGlobalTransaction();
64 CHECK_EQ(control->setLayer(30000), (status_t)OK);
65 CHECK_EQ(control->show(), (status_t)OK);
66 SurfaceComposerClient::closeGlobalTransaction();
67
68 sp<Surface> surface = control->getSurface();
69 CHECK(surface != NULL);
70
71 gSurface = surface;
72 gComposerClient = composerClient;
73 gControl = control;
74 // composerClient->dispose() at exit
75 return surface.get();
76 }
77
disposeNativeWindow_()78 void disposeNativeWindow_()
79 {
80 gComposerClient->dispose();
81 }
82
83 } // namespace android
84
getNativeWindow()85 ANativeWindow *getNativeWindow()
86 {
87 return android::getNativeWindow_();
88 }
89
disposeNativeWindow()90 void disposeNativeWindow()
91 {
92 android::disposeNativeWindow_();
93 }
94