YUV420SP
Keyword: Android, Camera Preview, NDK, YUV420SPtoARGB
y1CameraPreview: Android App. Project. Sadmple that use Camera#setPreviewCallbackWithBuffer, writeback to SurfaceView by Canvas#drawBitmap, with converting byte[] YUV420SP to int[] ARGB using only Java.
y2NDKYUV420SP: Android App. Project, needs NDK for build. Edited from y1CameraPreview. Convert byte[] YUV420SP to int[] ARGB by Native code with JNI.