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      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 
     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::Transaction{}
     64             .setLayer(control, 30000)
     65             .show(control)
     66             .apply();
     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 
     78 void disposeNativeWindow_()
     79 {
     80     gComposerClient->dispose();
     81 }
     82 
     83 } // namespace android
     84 
     85 ANativeWindow *getNativeWindow()
     86 {
     87     return android::getNativeWindow_();
     88 }
     89 
     90 void disposeNativeWindow()
     91 {
     92     android::disposeNativeWindow_();
     93 }
     94