audio_recorder.h

/*
 * Copyright © 2016-2023 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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 3 of the License, 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.
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "definitions_cxx.hpp"
#include "gui/ui/ui.h"
#include "hid/button.h"
 
extern "C" {
#include "fatfs/ff.h"
}
 
class SampleRecorder;
 
class AudioRecorder final : public UI {
public:
    AudioRecorder();
    bool opened() override;
    bool getGreyoutColsAndRows(uint32_t* cols, uint32_t* rows) override;
 
    ActionResult buttonAction(deluge::hid::Button b, bool on, bool inCardRoutine) override;
    bool beginOutputRecording(AudioRecordingFolder folder = AudioRecordingFolder::RESAMPLE,
                              AudioInputChannel channel = AudioInputChannel::OUTPUT, bool writeLoopPoints = false,
                              bool shouldNormalize = true);
    void process();
    void slowRoutine();
    bool isCurrentlyResampling();
 
    AudioInputChannel recordingSource;
 
    SampleRecorder* recorder;
 
    void endRecordingSoon(int32_t buttonLatency = 0);
 
    void renderOLED(deluge::hid::display::oled_canvas::Canvas& canvas) override;
 
    bool updatedRecordingStatus = false;
 
    // ui
    UIType getUIType() override { return UIType::AUDIO_RECORDER; }
 
private:
    void finishRecording();
    bool setupRecordingToFile(AudioInputChannel newMode, int32_t newNumChannels, AudioRecordingFolder folderID,
                              bool writeLoopPoints = false, bool shouldNormalize = true);
};
 
extern AudioRecorder audioRecorder;