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 0,
56 1280,
57 800,
58 PIXEL_FORMAT_RGB_565,
59 0);
60
61 CHECK(control != NULL);
62 CHECK(control->isValid());
63
64 SurfaceComposerClient::openGlobalTransaction();
65 CHECK_EQ(control->setLayer(30000), (status_t)OK);
66 CHECK_EQ(control->show(), (status_t)OK);
67 SurfaceComposerClient::closeGlobalTransaction();
68
69 sp<Surface> surface = control->getSurface();
70 CHECK(surface != NULL);
71
72 gSurface = surface;
73 gComposerClient = composerClient;
74 gControl = control;
75 // composerClient->dispose() at exit
76 return surface.get();
77 }
78
disposeNativeWindow_()79 void disposeNativeWindow_()
80 {
81 gComposerClient->dispose();
82 }
83
84 } // namespace android
85
getNativeWindow()86 ANativeWindow *getNativeWindow()
87 {
88 return android::getNativeWindow_();
89 }
90
disposeNativeWindow()91 void disposeNativeWindow()
92 {
93 android::disposeNativeWindow_();
94 }
95