mayhem-firmware/firmware/baseband/stream_output.hpp
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/*
* Copyright (C) 2016 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 __STREAM_OUTPUT_H__
#define __STREAM_OUTPUT_H__
#include "message.hpp"
#include "fifo.hpp"
#include <cstdint>
#include <cstddef>
#include <array>
#include <memory>
class StreamOutput {
public:
StreamOutput(ReplayConfig* const config);
StreamOutput(const StreamOutput&) = delete;
StreamOutput(StreamOutput&&) = delete;
StreamOutput& operator=(const StreamOutput&) = delete;
StreamOutput& operator=(StreamOutput&&) = delete;
size_t read(void* const data, const size_t length);
private:
static constexpr size_t buffer_count_max_log2 = 3;
static constexpr size_t buffer_count_max = 1U << buffer_count_max_log2;
FIFO<StreamBuffer*> fifo_buffers_empty;
FIFO<StreamBuffer*> fifo_buffers_full;
std::array<StreamBuffer, buffer_count_max> buffers{};
std::array<StreamBuffer*, buffer_count_max> buffers_empty{};
std::array<StreamBuffer*, buffer_count_max> buffers_full{};
StreamBuffer* active_buffer{nullptr};
ReplayConfig* const config{nullptr};
std::unique_ptr<uint8_t[]> data{};
};
#endif /*__STREAM_OUTPUT_H__*/