hinawa-edirol-fa-cli

#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (C) 2018 Takashi Sakamoto

from hinawa_utils.misc.cli_kit import CliKit

from hinawa_utils.bebob.edirol_fa import EdirolFaUnit


def handle_mixer_input_gain(unit, args):
    chs = ('1', '2')
    ops = ('set', 'get')
    targets = unit.get_mixer_input_labels()
    if len(args) >= 1 and args[0] in targets:
        target = args[0]
        if len(args) >= 2 and args[1] in chs:
            ch = int(args[1])
            if len(args) >= 3 and args[2] in ops:
                op = args[2]
                if op == 'set' and len(args) >= 4:
                    db = float(args[3])
                    unit.set_mixer_input_gain(target, ch, db)
                    return True
                elif op == 'get':
                    print(unit.get_mixer_input_gain(target, ch))
                    return True
    print('Arguments for mixer-input-gain command:')
    print('  mixer-input-gain TARGET CH OP [dB]')
    print('    TARGET:   [{0}]'.format('|'.join(targets)))
    print('    CH:       [{0}]'.format('|'.join(chs)))
    print('    OP:       [{0}]'.format('|'.join(ops)))
    print('    dB:       [-128.00..128.00] if OP=set')
    return False


def handle_mixer_input_balance(unit, args):
    chs = ('1', '2')
    ops = ('set', 'get')
    targets = unit.get_mixer_input_labels()
    if len(args) >= 1 and args[0] in targets:
        target = args[0]
        if len(args) >= 2 and args[1] in chs:
            ch = int(args[1])
            if len(args) >= 3 and args[2] in ops:
                op = args[2]
                if len(args) >= 4 and op == 'set':
                    balance = float(args[3])
                    unit.set_mixer_input_balance(target, ch, balance)
                    return True
                elif op == 'get':
                    print(unit.get_mixer_input_balance(target, ch))
                    return True
    print('Arguments for mixer-input-balance command')
    print('  mixer-input-balance TARGET CH OP [BALANCE]')
    print('    TARGET: [{0}]'.format('|'.join(targets)))
    print('    CH:     [{0}]'.format('|'.join(chs)))
    print('    OP:     [{0}]'.format('|'.join(ops)))
    print('    BALANCE:[-128.0..128.0] (left-right) if OP=set')
    return False


cmds = {
    'mixer-input-gain':     handle_mixer_input_gain,
    'mixer-input-balance':  handle_mixer_input_balance,
}

fullpath = CliKit.seek_snd_unit_path()
if fullpath:
    with EdirolFaUnit(fullpath) as unit:
        CliKit.dispatch_command(unit, cmds)