1 /* 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // Platform-specific initialization bits, if any, go here. 12 13 #if !defined(ANDROID) || !defined(WEBRTC_CHROMIUM_BUILD) 14 15 namespace webrtc { 16 namespace videocapturemodule { 17 void EnsureInitialized() {} 18 } // namespace videocapturemodule 19 } // namespace webrtc 20 21 #else // !defined(ANDROID) || !defined(WEBRTC_CHROMIUM_BUILD) 22 23 #include <assert.h> 24 #include <pthread.h> 25 26 #include "base/android/jni_android.h" 27 28 // Handy alternative to assert() which suppresses unused-variable warnings when 29 // assert() is a no-op (i.e. in Release builds). 30 #ifdef NDEBUG 31 #define ASSERT(x) if (false && (x)); else 32 #else 33 #define ASSERT(x) assert(x) 34 #endif 35 36 namespace webrtc { 37 38 // Declared in webrtc/modules/video_capture/include/video_capture.h. 39 int32_t SetCaptureAndroidVM(JavaVM* javaVM, jobject g_context); 40 41 namespace videocapturemodule { 42 43 static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT; 44 45 void EnsureInitializedOnce() { 46 JNIEnv* jni = ::base::android::AttachCurrentThread(); 47 jobject context = ::base::android::GetApplicationContext(); 48 JavaVM* jvm = NULL; 49 int status = jni->GetJavaVM(&jvm); 50 ASSERT(status == 0); 51 status = webrtc::SetCaptureAndroidVM(jvm, context) == 0; 52 ASSERT(status); 53 } 54 55 void EnsureInitialized() { 56 int ret = pthread_once(&g_initialize_once, &EnsureInitializedOnce); 57 ASSERT(ret == 0); 58 } 59 60 } // namespace videocapturemodule 61 } // namespace webrtc 62 63 #endif // ANDROID & WEBRTC_CHROMIUM_BUILD 64
