Cleanups
This commit is contained in:
parent
0a0f5f5ed4
commit
ad50081574
531
src/voc.rs
531
src/voc.rs
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@ -1,32 +1,11 @@
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#![allow(clippy::new_without_default)]
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use std::fmt;
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use std::fs::File;
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use std::io::{Read, Seek, Write};
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#[derive(Clone, Copy, Debug)]
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pub enum Codec {
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Pcm8BitUnsigned,
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Adpcm4to8,
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Adpcm3to8,
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Adpcm2to8,
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Pcm16BitSigned,
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Alaw,
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Ulaw,
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Adpcm4to16,
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}
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use crate::voc::blocks::*;
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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pub enum BlockType {
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Terminator,
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SoundData,
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SoundDataContinuation,
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Silence,
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Marker,
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Text,
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RepeatStart,
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RepeatEnd,
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}
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mod blocks;
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#[derive(Debug)]
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pub struct VocFile {
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@ -40,11 +19,11 @@ impl VocFile {
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const SIGNATURE2: [u8; 3] = [0x1A, 0x1A, 0x0];
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pub fn from_file(file_name: &str) -> Self {
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let mut fp = File::open(file_name).unwrap();
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let mut file = File::open(file_name).unwrap();
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// Signature - Creative Voice File
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let mut signature1_buffer: [u8; 19] = [0; 19];
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drop(fp.read(&mut signature1_buffer));
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drop(file.read(&mut signature1_buffer));
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let signature1 = std::str::from_utf8(&signature1_buffer).unwrap();
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if signature1 != Self::SIGNATURE1 {
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panic!("Bad file. Expected \"{}\" got \"{}\"", Self::SIGNATURE1, signature1);
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@ -52,31 +31,31 @@ impl VocFile {
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// Signature - 1A 1A 00
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let mut signature2_buffer: [u8; 3] = [0; 3];
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drop(fp.read(&mut signature2_buffer));
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drop(file.read(&mut signature2_buffer));
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if signature2_buffer != Self::SIGNATURE2 {
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panic!("Bad file. Expected {:02X?} got {:02X?}", Self::SIGNATURE2, signature2_buffer);
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}
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// Version
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let mut version_buffer: [u8; 2] = [0; 2];
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drop(fp.read(&mut version_buffer));
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drop(file.read(&mut version_buffer));
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let version_int = i16::from_le_bytes(version_buffer);
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let version = (version_buffer[1], version_buffer[0]);
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// Version checksum
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let mut checksum_buffer: [u8; 2] = [0; 2];
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drop(fp.read(&mut checksum_buffer));
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drop(file.read(&mut checksum_buffer));
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let checksum = (!version_int + 0x1234).to_le_bytes();
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let checksum_result = checksum_buffer == checksum;
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let mut voc = VocFile { version, checksum: checksum_result, blocks: Vec::new() };
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let mut voc_file = VocFile { version, checksum: checksum_result, blocks: Vec::new() };
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loop {
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let block_start_address = fp.stream_position().unwrap() as u32;
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let block_start_address = file.stream_position().unwrap() as u32;
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// Block Type
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let mut block_type_buffer: [u8; 1] = [0];
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drop(fp.read(&mut block_type_buffer));
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drop(file.read(&mut block_type_buffer));
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let block_type = match block_type_buffer[0] {
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0 => BlockType::Terminator,
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1 => BlockType::SoundData,
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@ -94,63 +73,63 @@ impl VocFile {
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// Terminator and RepeatEnd dont have size in header so block_size is 0
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if block_type != BlockType::Terminator || block_type != BlockType::RepeatEnd {
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let mut block_size_buffer: [u8; 3] = [0; 3];
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drop(fp.read(&mut block_size_buffer));
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drop(file.read(&mut block_size_buffer));
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block_size = u32::from_le_bytes(
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[block_size_buffer[0], block_size_buffer[1], block_size_buffer[2], 0]
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);
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}
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let current_address = fp.stream_position().unwrap() as u32;
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let current_address = file.stream_position().unwrap() as u32;
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let block_end_address = current_address + block_size;
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match block_type {
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BlockType::Terminator => {
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let block = Terminator::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = Terminator::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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break;
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}
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BlockType::SoundData => {
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let block = SoundData::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = SoundData::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::SoundDataContinuation => {
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let block = SoundDataContinuation::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = SoundDataContinuation::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::Silence => {
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let block = Silence::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = Silence::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::Marker => {
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let block = Marker::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = Marker::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::Text => {
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let block = Text::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = Text::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::RepeatStart => {
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let block = RepeatStart::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = RepeatStart::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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BlockType::RepeatEnd => {
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let block = RepeatEnd::from_stream(&mut fp, block_start_address, block_end_address);
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voc.blocks.push(Box::new(block));
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let block = RepeatEnd::from_stream(&mut file, block_start_address, block_end_address);
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voc_file.blocks.push(Box::new(block));
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}
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}
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}
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voc
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voc_file
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}
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pub fn to_bytes(&self) -> Vec<u8> {
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let mut result: Vec<u8> = Vec::new();
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// Signature1
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let signature = "Creative Voice File".as_bytes();
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result.extend_from_slice(signature);
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result.extend_from_slice(Self::SIGNATURE1.as_bytes());
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// Signature2
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result.extend_from_slice(&[0x1A, 0x1A, 0x00]);
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result.extend_from_slice(&Self::SIGNATURE2);
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// Version
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result.extend_from_slice(&[self.version.1, self.version.0]);
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@ -173,448 +152,4 @@ impl VocFile {
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drop(fp.write(&self.to_bytes()));
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drop(fp.flush());
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}
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}
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type BlockT = Box<dyn Block>;
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pub trait Block: fmt::Debug {
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fn to_bytes(&self) -> Vec<u8>;
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fn get_info(&self) -> &Option<BlockInfo>;
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}
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pub struct BlockInfo {
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pub start_address: u32,
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pub end_address: u32,
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}
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impl BlockInfo {
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pub fn get_size(&self) -> u32 {
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self.end_address - self.start_address
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}
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}
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// Terminator
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pub struct Terminator {
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info: Option<BlockInfo>,
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block_type: BlockType,
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}
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impl Terminator {
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pub fn new() -> Self { Self { info: None, block_type: BlockType::Terminator } }
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pub fn from_stream(_fp: &mut File, start_address: u32, end_address: u32) -> Self
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{
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Self {
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info: Some(BlockInfo { start_address, end_address }),
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block_type: BlockType::Terminator,
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}
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}
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}
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impl Block for Terminator {
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fn to_bytes(&self) -> Vec<u8> { vec![self.block_type as u8] }
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fn get_info(&self) -> &Option<BlockInfo> { &self.info }
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}
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impl fmt::Debug for Terminator {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Terminator")
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.finish()
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}
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}
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// SoundData
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pub struct SoundData {
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info: Option<BlockInfo>,
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block_type: BlockType,
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sample_rate: u32,
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codec: Codec,
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data: Vec<u8>,
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}
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impl SoundData {
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pub fn new(sample_rate: u32, codec: Codec, data: Vec<u8>) -> Self {
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Self {
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info: None,
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block_type: BlockType::SoundData,
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sample_rate,
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codec,
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data,
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}
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}
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pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
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let mut frequency_divisor_buffer: [u8; 1] = [0];
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drop(fp.read(&mut frequency_divisor_buffer));
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let sample_rate: u32 = 1000000u32 / (256u32 - frequency_divisor_buffer[0] as u32);
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let mut codec_buffer: [u8; 1] = [0];
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drop(fp.read(&mut codec_buffer));
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let codec = match codec_buffer[0] {
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0 => Codec::Pcm8BitUnsigned,
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1 => Codec::Adpcm4to8,
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2 => Codec::Adpcm3to8,
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3 => Codec::Adpcm2to8,
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4 => Codec::Pcm16BitSigned,
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5 => Codec::Alaw,
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6 => Codec::Ulaw,
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7 => Codec::Adpcm4to16,
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_ => panic!("Bad Sound format. Got {}", codec_buffer[0])
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};
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let address = fp.stream_position().unwrap() as u32;
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let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
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drop(fp.read(&mut data));
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Self {
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info: Some(BlockInfo { start_address, end_address }),
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block_type: BlockType::SoundData,
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sample_rate,
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codec,
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data,
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}
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}
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}
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impl Block for SoundData {
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fn to_bytes(&self) -> Vec<u8> {
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let size_bytes: [u8; 4] = (self.data.len() as u32 + 2).to_le_bytes();
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let frequency_divisor: u8 = (256u32 - 1000000u32 / self.sample_rate) as u8;
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let mut result: Vec<u8> = vec![
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self.block_type as u8,
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size_bytes[0],
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size_bytes[1],
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size_bytes[2],
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frequency_divisor,
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self.codec as u8,
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];
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result.extend_from_slice(&self.data);
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result
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}
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fn get_info(&self) -> &Option<BlockInfo> { &self.info }
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}
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impl fmt::Debug for SoundData {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("SoundData")
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.field("size", &self.data.len())
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.field("sample rate", &self.sample_rate)
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.field("codec", &self.codec)
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.finish()
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}
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}
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// SoundDataContinuation
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pub struct SoundDataContinuation {
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info: Option<BlockInfo>,
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block_type: BlockType,
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data: Vec<u8>,
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}
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impl SoundDataContinuation {
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pub fn new(data: Vec<u8>) -> Self {
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Self {
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info: None,
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block_type: BlockType::SoundDataContinuation,
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data,
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}
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}
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pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
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let address = fp.stream_position().unwrap() as u32;
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let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
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drop(fp.read(&mut data));
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Self {
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info: Some(BlockInfo { start_address, end_address }),
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block_type: BlockType::SoundDataContinuation,
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data,
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}
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}
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}
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impl Block for SoundDataContinuation {
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fn to_bytes(&self) -> Vec<u8> {
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let size_bytes: [u8; 4] = (self.data.len() as u32).to_le_bytes();
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let mut result: Vec<u8> = vec![
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self.block_type as u8,
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size_bytes[0],
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size_bytes[1],
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size_bytes[2],
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];
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result.extend_from_slice(&self.data);
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result
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}
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fn get_info(&self) -> &Option<BlockInfo> { &self.info }
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}
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impl fmt::Debug for SoundDataContinuation {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("SoundDataContinuation")
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.field("size", &self.data.len())
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.finish()
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}
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}
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// Silence
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pub struct Silence {
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info: Option<BlockInfo>,
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block_type: BlockType,
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length: u16,
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sample_rate: u32,
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}
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impl Silence {
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pub fn new(length: u16, sample_rate: u32) -> Self {
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Self {
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info: None,
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block_type: BlockType::Silence,
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length,
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sample_rate,
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}
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}
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pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
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let mut length_buffer: [u8; 2] = [0; 2];
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drop(fp.read(&mut length_buffer));
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let length = u16::from_le_bytes(length_buffer) + 1;
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let mut frequency_divisor_buffer: [u8; 1] = [0];
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drop(fp.read(&mut frequency_divisor_buffer));
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let sample_rate: u32 = 1000000u32 / (256u32 - frequency_divisor_buffer[0] as u32);
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Self {
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info: Some(BlockInfo { start_address, end_address }),
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block_type: BlockType::Silence,
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length,
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sample_rate,
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}
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}
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}
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impl Block for Silence {
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fn to_bytes(&self) -> Vec<u8> {
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let size_bytes: [u8; 4] = 3u32.to_le_bytes();
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let length_bytes: [u8; 2] = (self.length - 1).to_le_bytes();
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let frequency_divisor: u8 = (256u32 - 1000000u32 / self.sample_rate) as u8;
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let result: Vec<u8> = vec![
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self.block_type as u8,
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size_bytes[0],
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size_bytes[1],
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size_bytes[2],
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length_bytes[0],
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length_bytes[1],
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frequency_divisor,
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];
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result
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}
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fn get_info(&self) -> &Option<BlockInfo> { &self.info }
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}
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impl fmt::Debug for Silence {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Silence")
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.field("length", &self.length)
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.field("sample rate", &self.sample_rate)
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.finish()
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}
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}
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// Marker
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pub struct Marker {
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info: Option<BlockInfo>,
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block_type: BlockType,
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value: u16,
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}
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impl Marker {
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pub fn new(value: u16) -> Self {
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Self {
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info: None,
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block_type: BlockType::Marker,
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value,
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}
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}
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pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
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let mut value_buffer: [u8; 2] = [0; 2];
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drop(fp.read(&mut value_buffer));
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let value = u16::from_le_bytes(value_buffer);
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Self {
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info: Some(BlockInfo { start_address, end_address }),
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block_type: BlockType::Marker,
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value,
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}
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}
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}
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impl Block for Marker {
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fn to_bytes(&self) -> Vec<u8> {
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let size_bytes: [u8; 4] = 2u32.to_le_bytes();
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let value_bytes: [u8; 2] = self.value.to_le_bytes();
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let result: Vec<u8> = vec![
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self.block_type as u8,
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size_bytes[0],
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size_bytes[1],
|
||||
size_bytes[2],
|
||||
value_bytes[0],
|
||||
value_bytes[1],
|
||||
];
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Marker {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Marker")
|
||||
.field("value", &self.value)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// Text
|
||||
|
||||
pub struct Text {
|
||||
pub info: Option<BlockInfo>,
|
||||
pub block_type: BlockType,
|
||||
pub data: Vec<u8>,
|
||||
}
|
||||
|
||||
impl Text {
|
||||
pub fn new(data: Vec<u8>) -> Self { Self { info: None, block_type: BlockType::Text, data } }
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let address = fp.stream_position().unwrap() as u32;
|
||||
let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
|
||||
drop(fp.read(&mut data));
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::Text,
|
||||
data,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for Text {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = (self.data.len() as u32).to_le_bytes();
|
||||
|
||||
let mut result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
];
|
||||
|
||||
result.extend_from_slice(&self.data);
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Text {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Text")
|
||||
.field("size", &self.data.len())
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// RepeatStart
|
||||
|
||||
pub struct RepeatStart {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
count: u16,
|
||||
}
|
||||
|
||||
impl RepeatStart {
|
||||
pub fn new(count: u16) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::RepeatStart,
|
||||
count,
|
||||
}
|
||||
}
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let mut count_buffer: [u8; 2] = [0; 2];
|
||||
drop(fp.read(&mut count_buffer));
|
||||
let count = u16::from_le_bytes(count_buffer) + 1;
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::RepeatStart,
|
||||
count,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for RepeatStart {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = 2u32.to_le_bytes();
|
||||
let count_bytes: [u8; 2] = (self.count - 1).to_le_bytes();
|
||||
|
||||
let result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
count_bytes[0],
|
||||
count_bytes[1],
|
||||
];
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for RepeatStart {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("RepeatStart")
|
||||
.field("count", &self.count)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// RepeatEnd
|
||||
|
||||
pub struct RepeatEnd {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
}
|
||||
|
||||
impl RepeatEnd {
|
||||
pub fn new() -> Self { Self { info: None, block_type: BlockType::RepeatEnd } }
|
||||
pub fn from_stream(_fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::RepeatEnd,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for RepeatEnd {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
vec![self.block_type as u8]
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for RepeatEnd {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("RepeatEnd")
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,479 @@
|
|||
use std::fmt;
|
||||
use std::fs::File;
|
||||
use std::io::{Read, Seek};
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub enum Codec {
|
||||
Pcm8BitUnsigned,
|
||||
Adpcm4to8,
|
||||
Adpcm3to8,
|
||||
Adpcm2to8,
|
||||
Pcm16BitSigned,
|
||||
Alaw,
|
||||
Ulaw,
|
||||
Adpcm4to16,
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
|
||||
pub enum BlockType {
|
||||
Terminator,
|
||||
SoundData,
|
||||
SoundDataContinuation,
|
||||
Silence,
|
||||
Marker,
|
||||
Text,
|
||||
RepeatStart,
|
||||
RepeatEnd,
|
||||
}
|
||||
|
||||
pub type BlockT = Box<dyn Block>;
|
||||
|
||||
pub trait Block: fmt::Debug {
|
||||
fn to_bytes(&self) -> Vec<u8>;
|
||||
fn get_info(&self) -> &Option<BlockInfo>;
|
||||
}
|
||||
|
||||
pub struct BlockInfo {
|
||||
pub start_address: u32,
|
||||
pub end_address: u32,
|
||||
}
|
||||
|
||||
impl BlockInfo {
|
||||
pub fn get_size(&self) -> u32 {
|
||||
self.end_address - self.start_address
|
||||
}
|
||||
}
|
||||
|
||||
// Terminator
|
||||
|
||||
pub struct Terminator {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
}
|
||||
|
||||
impl Terminator {
|
||||
#[allow(dead_code)]
|
||||
pub fn new() -> Self { Self { info: None, block_type: BlockType::Terminator } }
|
||||
pub fn from_stream(_fp: &mut File, start_address: u32, end_address: u32) -> Self
|
||||
{
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::Terminator,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for Terminator {
|
||||
fn to_bytes(&self) -> Vec<u8> { vec![self.block_type as u8] }
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Terminator {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Terminator")
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// SoundData
|
||||
|
||||
pub struct SoundData {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
sample_rate: u32,
|
||||
codec: Codec,
|
||||
data: Vec<u8>,
|
||||
}
|
||||
|
||||
impl SoundData {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(sample_rate: u32, codec: Codec, data: Vec<u8>) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::SoundData,
|
||||
sample_rate,
|
||||
codec,
|
||||
data,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let mut frequency_divisor_buffer: [u8; 1] = [0];
|
||||
drop(fp.read(&mut frequency_divisor_buffer));
|
||||
let sample_rate: u32 = 1000000u32 / (256u32 - frequency_divisor_buffer[0] as u32);
|
||||
|
||||
let mut codec_buffer: [u8; 1] = [0];
|
||||
drop(fp.read(&mut codec_buffer));
|
||||
let codec = match codec_buffer[0] {
|
||||
0 => Codec::Pcm8BitUnsigned,
|
||||
1 => Codec::Adpcm4to8,
|
||||
2 => Codec::Adpcm3to8,
|
||||
3 => Codec::Adpcm2to8,
|
||||
4 => Codec::Pcm16BitSigned,
|
||||
5 => Codec::Alaw,
|
||||
6 => Codec::Ulaw,
|
||||
7 => Codec::Adpcm4to16,
|
||||
_ => panic!("Bad Sound format. Got {}", codec_buffer[0])
|
||||
};
|
||||
|
||||
let address = fp.stream_position().unwrap() as u32;
|
||||
let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
|
||||
drop(fp.read(&mut data));
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::SoundData,
|
||||
sample_rate,
|
||||
codec,
|
||||
data,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for SoundData {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = (self.data.len() as u32 + 2).to_le_bytes();
|
||||
let frequency_divisor: u8 = (256u32 - 1000000u32 / self.sample_rate) as u8;
|
||||
|
||||
let mut result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
frequency_divisor,
|
||||
self.codec as u8,
|
||||
];
|
||||
|
||||
result.extend_from_slice(&self.data);
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for SoundData {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("SoundData")
|
||||
.field("size", &self.data.len())
|
||||
.field("sample rate", &self.sample_rate)
|
||||
.field("codec", &self.codec)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// SoundDataContinuation
|
||||
|
||||
pub struct SoundDataContinuation {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
data: Vec<u8>,
|
||||
}
|
||||
|
||||
impl SoundDataContinuation {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(data: Vec<u8>) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::SoundDataContinuation,
|
||||
data,
|
||||
}
|
||||
}
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let address = fp.stream_position().unwrap() as u32;
|
||||
let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
|
||||
drop(fp.read(&mut data));
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::SoundDataContinuation,
|
||||
data,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for SoundDataContinuation {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = (self.data.len() as u32).to_le_bytes();
|
||||
let mut result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
];
|
||||
|
||||
result.extend_from_slice(&self.data);
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for SoundDataContinuation {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("SoundDataContinuation")
|
||||
.field("size", &self.data.len())
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// Silence
|
||||
|
||||
pub struct Silence {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
length: u16,
|
||||
sample_rate: u32,
|
||||
}
|
||||
|
||||
impl Silence {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(length: u16, sample_rate: u32) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::Silence,
|
||||
length,
|
||||
sample_rate,
|
||||
}
|
||||
}
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let mut length_buffer: [u8; 2] = [0; 2];
|
||||
drop(fp.read(&mut length_buffer));
|
||||
let length = u16::from_le_bytes(length_buffer) + 1;
|
||||
|
||||
let mut frequency_divisor_buffer: [u8; 1] = [0];
|
||||
drop(fp.read(&mut frequency_divisor_buffer));
|
||||
let sample_rate: u32 = 1000000u32 / (256u32 - frequency_divisor_buffer[0] as u32);
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::Silence,
|
||||
length,
|
||||
sample_rate,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for Silence {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = 3u32.to_le_bytes();
|
||||
let length_bytes: [u8; 2] = (self.length - 1).to_le_bytes();
|
||||
let frequency_divisor: u8 = (256u32 - 1000000u32 / self.sample_rate) as u8;
|
||||
|
||||
let result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
length_bytes[0],
|
||||
length_bytes[1],
|
||||
frequency_divisor,
|
||||
];
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Silence {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Silence")
|
||||
.field("length", &self.length)
|
||||
.field("sample rate", &self.sample_rate)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// Marker
|
||||
|
||||
pub struct Marker {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
value: u16,
|
||||
}
|
||||
|
||||
impl Marker {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(value: u16) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::Marker,
|
||||
value,
|
||||
}
|
||||
}
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let mut value_buffer: [u8; 2] = [0; 2];
|
||||
drop(fp.read(&mut value_buffer));
|
||||
let value = u16::from_le_bytes(value_buffer);
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::Marker,
|
||||
value,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for Marker {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = 2u32.to_le_bytes();
|
||||
let value_bytes: [u8; 2] = self.value.to_le_bytes();
|
||||
|
||||
let result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
value_bytes[0],
|
||||
value_bytes[1],
|
||||
];
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Marker {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Marker")
|
||||
.field("value", &self.value)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// Text
|
||||
|
||||
pub struct Text {
|
||||
pub info: Option<BlockInfo>,
|
||||
pub block_type: BlockType,
|
||||
pub data: Vec<u8>,
|
||||
}
|
||||
|
||||
impl Text {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(data: Vec<u8>) -> Self { Self { info: None, block_type: BlockType::Text, data } }
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let address = fp.stream_position().unwrap() as u32;
|
||||
let mut data: Vec<u8> = vec![0; (end_address - address) as usize];
|
||||
drop(fp.read(&mut data));
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::Text,
|
||||
data,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for Text {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = (self.data.len() as u32).to_le_bytes();
|
||||
|
||||
let mut result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
];
|
||||
|
||||
result.extend_from_slice(&self.data);
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for Text {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("Text")
|
||||
.field("size", &self.data.len())
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// RepeatStart
|
||||
|
||||
pub struct RepeatStart {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
count: u16,
|
||||
}
|
||||
|
||||
impl RepeatStart {
|
||||
#[allow(dead_code)]
|
||||
pub fn new(count: u16) -> Self {
|
||||
Self {
|
||||
info: None,
|
||||
block_type: BlockType::RepeatStart,
|
||||
count,
|
||||
}
|
||||
}
|
||||
pub fn from_stream(fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
let mut count_buffer: [u8; 2] = [0; 2];
|
||||
drop(fp.read(&mut count_buffer));
|
||||
let count = u16::from_le_bytes(count_buffer) + 1;
|
||||
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::RepeatStart,
|
||||
count,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for RepeatStart {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let size_bytes: [u8; 4] = 2u32.to_le_bytes();
|
||||
let count_bytes: [u8; 2] = (self.count - 1).to_le_bytes();
|
||||
|
||||
let result: Vec<u8> = vec![
|
||||
self.block_type as u8,
|
||||
size_bytes[0],
|
||||
size_bytes[1],
|
||||
size_bytes[2],
|
||||
count_bytes[0],
|
||||
count_bytes[1],
|
||||
];
|
||||
|
||||
result
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for RepeatStart {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("RepeatStart")
|
||||
.field("count", &self.count)
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
|
||||
// RepeatEnd
|
||||
|
||||
pub struct RepeatEnd {
|
||||
info: Option<BlockInfo>,
|
||||
block_type: BlockType,
|
||||
}
|
||||
|
||||
impl RepeatEnd {
|
||||
#[allow(dead_code)]
|
||||
pub fn new() -> Self { Self { info: None, block_type: BlockType::RepeatEnd } }
|
||||
pub fn from_stream(_fp: &mut File, start_address: u32, end_address: u32) -> Self {
|
||||
Self {
|
||||
info: Some(BlockInfo { start_address, end_address }),
|
||||
block_type: BlockType::RepeatEnd,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Block for RepeatEnd {
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
vec![self.block_type as u8]
|
||||
}
|
||||
fn get_info(&self) -> &Option<BlockInfo> { &self.info }
|
||||
}
|
||||
|
||||
impl fmt::Debug for RepeatEnd {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
f.debug_struct("RepeatEnd")
|
||||
.finish()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue