Android LG L70 1024×768 pixels Video Record for CM 12.1

How to achieve:
Your phone must be running CM12 or CM12.1
Download this APP:

SnapCameraPro
Run the app, and head to it’s settings (the three vertical dots on lower left of the screen, tap that)
Tap the tab titled OTHER
Scroll down, and tick the Use Camera2 API



Then go to tab titled VIDEO, scroll down and change the Video Size to 1024×768



For best result you can also increase the FPS and bitrate