this is my log:
PID: 21193
INFO: Using projection 1080x1920@270x480/0
INFO: (external/MY_minicap/src/minicap_19.cpp:255) Creating SurfaceComposerClient
INFO: (external/MY_minicap/src/minicap_19.cpp:258) Performing SurfaceComposerClient init check
INFO: (external/MY_minicap/src/minicap_19.cpp:265) Creating virtual display
INFO: (external/MY_minicap/src/minicap_19.cpp:271) Creating buffer queue
INFO: (external/MY_minicap/src/minicap_19.cpp:278) Creating CPU consumer
INFO: (external/MY_minicap/src/minicap_19.cpp:284) Creating frame waiter
INFO: (external/MY_minicap/src/minicap_19.cpp:288) Publishing virtual display
INFO: (jni/minicap/JpgEncoder.cpp:64) Allocating 6268932 bytes for JPG encoder
INFO: (external/MY_minicap/src/minicap_19.cpp:303) Destroying virtual display
1313端口连接成功
1080 1920 360 640

I printed frame size data in socket through

System.out.println(realWidth+"  "+realHeight+"  "+virtualWidth+"   "+virtualHeight); 

as you can see virtualWidth and virtualHeight become 360x640. does it just minimum support to 360x640?