MyOpenGLLayer
more ignore
handle when frame changed
code cleanup
drew constant string for subtitle
subtitle buffer
implemented subtitle display
implemented subtitle after resizing
clean up, setConstraints
YUV rendering in GPU
code cleanup
optimize (GL_UNPACK_CLIENT_STORAGE_APPLE)
hdtv (BT.709)
hardware decoding (VDA)
decoding thread
code cleanup
autoreleasepool for video decoding loop
fixed cpu decoding
replaced PacketQueue with CircularQueue
VideoBufCPU uses CircularQueue