Update NativeCamera to support MediaStreamTrack API

Apps/Playground/Android/app/build.gradle

@@ -42,6 +42,11 @@ android {
         applicationId "com.android.babylonnative.playground"
         minSdkVersion "${platformVersion}"
         targetSdkVersion 28
+        ndkVersion "21.4.7075529"
+        if (project.hasProperty("NDK_VERSION")) {
+            def NDKVersion = project.property("NDK_VERSION")
+            ndkVersion  "${NDK_VERSION}"
+        }
         externalNativeBuild {
             cmake {
                 abiFilters "arm64-v8a", "armeabi-v7a", "x86", "x86_64"
@@ -61,10 +66,6 @@ android {
             } else {
                 abiFilters "arm64-v8a", "armeabi-v7a", "x86"
             }
-            if (project.hasProperty("NDK_VERSION")) {
-                def NDKVersion = project.property("NDK_VERSION")
-                ndkVersion  "${NDK_VERSION}"
-            }
         }
     }
 

Apps/Playground/Android/build.gradle

@@ -4,6 +4,7 @@ buildscript {
 
     repositories {
         google()
+        mavenCentral()
         jcenter()
     }
     dependencies {
@@ -17,6 +18,7 @@ buildscript {
 allprojects {
     repositories {
         google()
+        mavenCentral()
         jcenter()
     }
 }

Plugins/NativeCamera/CMakeLists.txt

@@ -6,10 +6,15 @@ endif()
 
 set(SOURCES
     "Include/Babylon/Plugins/NativeCamera.h"
+    "Source/CameraCapability.h"
+    "Source/CameraCapability.cpp"
+    "Source/MediaStream.h"
+    "Source/MediaStream.cpp"
     "Source/NativeCamera.cpp"
     "Source/NativeVideo.cpp"
     "Source/NativeVideo.h"
-    "Source/${PLATFORM}/NativeCameraImpl.h"
+    "Source/NativeCameraImpl.h"
+    "Source/NativeCameraImplShared.h"
     "Source/${PLATFORM}/NativeCameraImpl.${BABYLON_NATIVE_PLATFORM_IMPL_EXT}")
 
 add_library(NativeCamera ${SOURCES})

Plugins/NativeCamera/Include/Babylon/Plugins/NativeCamera.h

@@ -18,12 +18,11 @@ namespace Babylon::Plugins
         // Initialization with overrideCameraTexture set to true means the caller
         // is expected to override the camera source texture with a native texture.
         // In that case, the HW camera will not be open.
-        static Camera Initialize(Napi::Env env, bool overrideCameraTexture = false);
+        static Camera Initialize(Napi::Env env);
 
-        void SetTextureOverride(void* texturePtr);
+        static Napi::Value GetUserMedia(const Napi::CallbackInfo& info);
 
     private:
-        Camera(std::shared_ptr<Impl> impl);
-        std::shared_ptr<Impl> m_impl{};
+        Camera();
     };
 }