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define the low level bindings

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offers a call method for error handling
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onyx-and-iris 2023-07-07 02:29:43 +01:00
parent 8c4d631613
commit d35a4be8e8
1 changed files with 104 additions and 0 deletions
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104
lib/voicemeeter/cbindings.rb Normal file
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require_relative "install"
require_relative "errors"
module Voicemeeter
module CBindings
private
extend FFI::Library
VM_PATH = Install.get_vmpath()
ffi_lib VM_PATH.join(
"VoicemeeterRemote#{Install::OS_BITS == 64 ? "64" : "32"}.dll"
)
ffi_convention :stdcall
attach_function :bind_login, :VBVMR_Login, [], :long
attach_function :bind_logout, :VBVMR_Logout, [], :long
attach_function :bind_runvm, :VBVMR_RunVoicemeeter, [:long], :long
attach_function :bind_type, :VBVMR_GetVoicemeeterType, [:pointer], :long
attach_function :bind_version,
:VBVMR_GetVoicemeeterVersion,
[:pointer],
:long
attach_function :bind_mdirty, :VBVMR_MacroButton_IsDirty, [], :long
attach_function :bind_get_buttonstatus,
:VBVMR_MacroButton_GetStatus,
%i[long pointer long],
:long
attach_function :bind_set_buttonstatus,
:VBVMR_MacroButton_SetStatus,
%i[long float long],
:long
attach_function :bind_pdirty, :VBVMR_IsParametersDirty, [], :long
attach_function :bind_get_parameter_float,
:VBVMR_GetParameterFloat,
%i[string pointer],
:long
attach_function :bind_set_parameter_float,
:VBVMR_SetParameterFloat,
%i[string float],
:long
attach_function :bind_get_parameter_string,
:VBVMR_GetParameterStringA,
%i[string pointer],
:long
attach_function :bind_set_parameter_string,
:VBVMR_SetParameterStringA,
%i[string string],
:long
attach_function :bind_set_parameter_multi,
:VBVMR_SetParameters,
[:string],
:long
attach_function :bind_get_level,
:VBVMR_GetLevel,
%i[long long pointer],
:long
attach_function :bind_get_num_indevices,
:VBVMR_Input_GetDeviceNumber,
[],
:long
attach_function :bind_get_desc_indevices,
:VBVMR_Input_GetDeviceDescA,
%i[long pointer pointer pointer],
:long
attach_function :bind_get_num_outdevices,
:VBVMR_Output_GetDeviceNumber,
[],
:long
attach_function :bind_get_desc_outdevices,
:VBVMR_Output_GetDeviceDescA,
%i[long pointer pointer pointer],
:long
attach_function :bind_get_midi_message,
:VBVMR_GetMidiMessage,
%i[pointer long],
:long
def call(fn, *args, ok: [0], exp: nil)
res = send(fn, *args)
if exp.nil?
unless ok.include? res
raise Errors::VMCAPIError.new("#{fn} returned #{res}")
end
else
unless exp.call(res)
raise Errors::VMCAPIError.new("#{fn} returned #{res}")
end
end
res
end
module_function :call
end
end