mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-23 08:27:44 +00:00
3193c6ee99
Merged radio settings in one screen
189 lines
4.3 KiB
C++
189 lines
4.3 KiB
C++
/*
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* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "io_file.hpp"
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#include "file.hpp"
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#include "optional.hpp"
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#include <string.h>
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struct fmt_pcm_t {
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constexpr fmt_pcm_t(
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const uint32_t sampling_rate
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) : nSamplesPerSec { sampling_rate },
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nAvgBytesPerSec { nSamplesPerSec * 2 } // nBlockAlign = 2
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{
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}
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private:
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uint8_t ckID[4] { 'f', 'm', 't', ' ' };
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uint32_t cksize { 16 };
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uint16_t wFormatTag { 0x0001 };
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uint16_t nChannels { 1 };
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uint32_t nSamplesPerSec;
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uint32_t nAvgBytesPerSec;
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uint16_t nBlockAlign { 2 };
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uint16_t wBitsPerSample { 16 };
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};
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struct data_t {
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constexpr data_t(
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const uint32_t size
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) : cksize { size }
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{
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}
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private:
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uint8_t ckID[4] { 'd', 'a', 't', 'a' };
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uint32_t cksize { 0 };
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};
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struct header_t {
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constexpr header_t(
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const uint32_t sampling_rate,
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const uint32_t data_chunk_size,
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const uint32_t info_chunk_size
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) : cksize { sizeof(header_t) + data_chunk_size + info_chunk_size - 8 },
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fmt { sampling_rate },
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data { data_chunk_size }
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{
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}
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private:
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uint8_t riff_id[4] { 'R', 'I', 'F', 'F' };
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uint32_t cksize { 0 };
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uint8_t wave_id[4] { 'W', 'A', 'V', 'E' };
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fmt_pcm_t fmt;
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data_t data;
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};
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struct tags_t {
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constexpr tags_t(
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const std::string& title_str
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)
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{
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strcpy(title, title_str.c_str());
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cksize = sizeof(tags_t) - 8;
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}
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private:
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uint8_t list_id[4] { 'L', 'I', 'S', 'T' };
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uint32_t cksize { 0 };
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uint8_t info_id[4] { 'I', 'N', 'F', 'O' };
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uint8_t iart_id[4] { 'I', 'A', 'R', 'T' };
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uint32_t sckiart_size { 12 };
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char artist[12] { "PortaPack\0\0" };
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uint8_t inam_id[4] { 'I', 'N', 'A', 'M' };
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uint32_t sckinam_size { 64 };
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char title[64] { 0 };
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};
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class WAVFileReader : public FileReader {
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public:
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WAVFileReader() = default;
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WAVFileReader(const WAVFileReader&) = delete;
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WAVFileReader& operator=(const WAVFileReader&) = delete;
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WAVFileReader(WAVFileReader&&) = delete;
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WAVFileReader& operator=(WAVFileReader&&) = delete;
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virtual ~WAVFileReader() = default;
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bool open(const std::filesystem::path& path);
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void data_seek(const uint64_t Offset);
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void rewind();
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uint32_t ms_duration();
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//int seek_mss(const uint16_t minutes, const uint8_t seconds, const uint32_t samples);
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uint16_t channels();
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uint32_t sample_rate();
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uint32_t data_size();
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uint32_t sample_count();
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uint16_t bits_per_sample();
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std::string title();
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private:
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struct fmt_pcm_t {
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uint8_t ckID[4]; // fmt
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uint32_t cksize;
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uint16_t wFormatTag;
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uint16_t nChannels;
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uint32_t nSamplesPerSec;
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uint32_t nAvgBytesPerSec;
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uint16_t nBlockAlign;
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uint16_t wBitsPerSample;
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};
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struct data_t {
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uint8_t ckID[4]; // data
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uint32_t cksize;
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};
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struct header_t {
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uint8_t riff_id[4]; // RIFF
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uint32_t cksize;
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uint8_t wave_id[4]; // WAVE
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fmt_pcm_t fmt;
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data_t data;
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};
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header_t header { };
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uint32_t data_start { };
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uint32_t bytes_per_sample { };
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uint32_t data_size_ { 0 };
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uint32_t sample_rate_ { };
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std::string title_string { };
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std::filesystem::path last_path { };
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};
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class WAVFileWriter : public FileWriter {
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public:
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WAVFileWriter() = default;
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WAVFileWriter(const WAVFileWriter&) = delete;
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WAVFileWriter& operator=(const WAVFileWriter&) = delete;
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WAVFileWriter(WAVFileWriter&&) = delete;
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WAVFileWriter& operator=(WAVFileWriter&&) = delete;
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~WAVFileWriter() {
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write_tags();
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update_header();
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}
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Optional<File::Error> create(
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const std::filesystem::path& filename,
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size_t sampling_rate,
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const std::string& title_set
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);
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private:
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uint32_t sampling_rate { 0 };
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uint32_t info_chunk_size { 0 };
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std::string title { };
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Optional<File::Error> update_header();
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Optional<File::Error> write_tags();
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};
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