/* * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc. * Copyright (C) 2016 Furrtek * * This file is part of PortaPack. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifndef __AUDIO_H__ #define __AUDIO_H__ #include "volume.hpp" #include <cstdint> #include <cstddef> #include <string> namespace audio { class Codec { public: virtual ~Codec() { } virtual std::string name() const = 0; virtual bool reset() = 0; virtual void init() = 0; virtual void speaker_enable() = 0; virtual void speaker_disable() = 0; virtual void headphone_enable() = 0; virtual void headphone_disable() = 0; virtual volume_range_t headphone_gain_range() const = 0; virtual void set_headphone_volume(const volume_t volume) = 0; virtual void microphone_enable(int8_t alc_mode) = 0; // added user-GUI AK4951 ,selected ALC mode. virtual void microphone_disable() = 0; virtual size_t reg_count() const = 0; virtual size_t reg_bits() const = 0; virtual uint32_t reg_read(const size_t register_number) = 0; }; namespace output { void start(); // this other start(),no changed. ,in namespace output , used to config audio playback mode, void stop(); void mute(); void unmute(); void speaker_mute(); void speaker_unmute(); } /* namespace output */ namespace input { void start(int8_t alc_mode); // added parameter user-GUI select AK4951-ALC mode for config mic path,(recording mode in datasheet), void stop(); } /* namespace input */ namespace headphone { volume_range_t volume_range(); void set_volume(const volume_t volume); } /* namespace headphone */ namespace speaker { volume_range_t volume_range(); void set_volume(const volume_t volume); } /* namespace speaker */ namespace debug { size_t reg_count(); uint32_t reg_read(const size_t register_number); std::string codec_name(); size_t reg_bits(); } /* namespace debug */ void init(audio::Codec* const codec); void shutdown(); enum class Rate { Hz_12000 = 4, Hz_24000 = 2, Hz_48000 = 1, }; void set_rate(const Rate rate); } /* namespace audio */ #endif/*__AUDIO_H__*/