DEFAULT_V4L_HEIGHT 1077 modules/videoio/src/cap_libv4l.cpp capture->height = DEFAULT_V4L_HEIGHT; DEFAULT_V4L_HEIGHT 427 modules/videoio/src/cap_v4l.cpp capture->form.fmt.pix.height = DEFAULT_V4L_HEIGHT; DEFAULT_V4L_HEIGHT 879 modules/videoio/src/cap_v4l.cpp icvSetVideoSize(capture, DEFAULT_V4L_WIDTH, DEFAULT_V4L_HEIGHT);