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src/voc.rs
650
src/voc.rs
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@ -1,363 +1,361 @@
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use std::fmt;
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use std::fmt;
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use std::fs::File;
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use std::fs::File;
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use std::io::{Read, Seek, SeekFrom};
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use std::io::{Read, Seek, SeekFrom};
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#[derive(Clone, Copy, Debug)]
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#[derive(Clone, Copy, Debug)]
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pub enum Codec {
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pub enum Codec {
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Pcm8BitUnsigned,
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Pcm8BitUnsigned,
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Adpcm4to8,
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Adpcm4to8,
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Adpcm3to8,
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Adpcm3to8,
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Adpcm2to8,
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Adpcm2to8,
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Pcm16BitSigned,
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Pcm16BitSigned,
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Alaw,
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Alaw,
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Ulaw,
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Ulaw,
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Adpcm4to16,
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Adpcm4to16,
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}
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}
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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pub enum BlockType {
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pub enum BlockType {
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Terminator,
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Terminator,
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SoundData,
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SoundData,
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SoundDataContinuation,
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SoundDataContinuation,
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Silence,
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Silence,
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Marker,
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Marker,
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Text,
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Text,
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Repeat,
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Repeat,
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EndRepeat,
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EndRepeat,
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}
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}
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#[derive(Debug)]
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#[derive(Debug)]
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pub struct VocFile {
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pub struct VocFile {
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pub version: (u8, u8),
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pub version: (u8, u8),
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pub blocks: Vec<BlockT>
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pub blocks: Vec<BlockT>,
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}
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}
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impl VocFile {
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impl VocFile {
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pub(crate) fn from_file(file_name: &str) -> Self {
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pub(crate) fn from_file(file_name: &str) -> Self {
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println!("Parsing {} ...", file_name);
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println!("Parsing {} ...", file_name);
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let mut fp = File::open(file_name).unwrap();
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let mut fp = File::open(file_name).unwrap();
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// Signature - Creative Voice File
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// Signature - Creative Voice File
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let mut signature1_buffer: [u8; 19] = [0; 19];
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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(fp.read(&mut signature1_buffer));
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let signature1_expected = "Creative Voice File";
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let signature1_expected = "Creative Voice File";
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let signature1 = std::str::from_utf8(&signature1_buffer).unwrap();
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let signature1 = std::str::from_utf8(&signature1_buffer).unwrap();
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if signature1 != signature1_expected {
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if signature1 != signature1_expected {
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panic!("Bad file. Expected \"{}\" got \"{}\"", signature1_expected, signature1);
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panic!("Bad file. Expected \"{}\" got \"{}\"", signature1_expected, signature1);
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}
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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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let signature2_expected: [u8; 3] = [0x1A, 0x1A, 0x0];
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if signature2_buffer != signature2_expected {
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panic!("Bad file. Expected {:02X?} got {:02X?}", signature2_expected, 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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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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let checksum = (!version_int + 0x1234).to_le_bytes();
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if checksum_buffer != checksum {
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panic!("Bad file. Expected {:02X?} got {:02X?}", checksum, checksum_buffer);
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}
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let mut voc = VocFile { version, blocks: Vec::new() };
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loop {
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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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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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2 => BlockType::SoundDataContinuation,
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3 => BlockType::Silence,
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4 => BlockType::Marker,
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5 => BlockType::Text,
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6 => BlockType::Repeat,
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7 => BlockType::EndRepeat,
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_ => panic!("Bad block type. Got {}", block_type_buffer[0])
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};
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if block_type == BlockType::Terminator {
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let block = Terminator::new();
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voc.blocks.push(Box::new(block));
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break;
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}
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}
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// Signature - 1A 1A 00
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let mut block_size_buffer: [u8; 3] = [0; 3];
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let mut signature2_buffer: [u8; 3] = [0; 3];
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drop(fp.read(&mut block_size_buffer));
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drop(fp.read(&mut signature2_buffer));
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let block_size = i32::from_le_bytes(
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let signature2_expected: [u8; 3] = [0x1A, 0x1A, 0x0];
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[block_size_buffer[0], block_size_buffer[1], block_size_buffer[2], 0]
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if signature2_buffer != signature2_expected {
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);
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panic!("Bad file. Expected {:02X?} got {:02X?}", signature2_expected, signature2_buffer);
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}
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// Version
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let mut address = fp.seek(SeekFrom::Current(0)).unwrap() as i32;
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let mut version_buffer: [u8; 2] = [0; 2];
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let next = address + block_size;
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drop(fp.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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match block_type {
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let mut checksum_buffer: [u8; 2] = [0; 2];
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BlockType::SoundData => {
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drop(fp.read(&mut checksum_buffer));
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let mut frequency_divisor_buffer: [u8; 1] = [0];
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let checksum = (!version_int + 0x1234).to_le_bytes();
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drop(fp.read(&mut frequency_divisor_buffer));
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if checksum_buffer != checksum {
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println!("Byte: {}", frequency_divisor_buffer[0]);
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panic!("Bad file. Expected {:02X?} got {:02X?}", checksum, checksum_buffer);
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let sample_rate: i32 = 1000000i32 / (256i32 - frequency_divisor_buffer[0] as i32);
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}
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println!("sample_rate: {}", sample_rate);
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let mut voc = VocFile{ version, blocks: Vec::new() };
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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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loop {
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address = fp.seek(SeekFrom::Current(0)).unwrap() as i32;
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let mut block_type_buffer: [u8; 1] = [0];
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut block_type_buffer));
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drop(fp.read(&mut data));
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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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2 => BlockType::SoundDataContinuation,
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3 => BlockType::Silence,
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4 => BlockType::Marker,
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5 => BlockType::Text,
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6 => BlockType::Repeat,
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7 => BlockType::EndRepeat,
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_ => panic!("Bad block type. Got {}", block_type_buffer[0])
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};
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if block_type == BlockType::Terminator {
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let block = SoundData::new(block_size, sample_rate, codec, data);
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let block = Terminator::new();
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voc.blocks.push(Box::new(block));
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voc.blocks.push(Box::new(block));
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break;
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}
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}
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BlockType::SoundDataContinuation => {
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut data));
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let mut block_size_buffer: [u8; 3] = [0; 3];
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let block = SoundDataContinuation::new(block_size, data);
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drop(fp.read(&mut block_size_buffer));
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voc.blocks.push(Box::new(block));
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let block_size = i32::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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let mut address = fp.seek(SeekFrom::Current(0)).unwrap() as i32;
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let next = address + block_size;
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match block_type {
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BlockType::SoundData => {
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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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println!("Byte: {}", frequency_divisor_buffer[0]);
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let sample_rate: i32 = 1000000i32 / (256i32 - frequency_divisor_buffer[0] as i32);
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println!("sample_rate: {}", sample_rate);
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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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address = fp.seek(SeekFrom::Current(0)).unwrap() as i32;
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut data));
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let block = SoundData::new(block_size, sample_rate, codec, data);
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voc.blocks.push(Box::new(block));
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},
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BlockType::SoundDataContinuation => {
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut data));
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let block = SoundDataContinuation::new(block_size, data);
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voc.blocks.push(Box::new(block));
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},
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BlockType::Silence => {
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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 = i16::from_le_bytes(length_buffer);
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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: i32 = 1000000i32 / (256i32 - frequency_divisor_buffer[0] as i32);
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let block = Silence { block_type, size: block_size, sample_rate, length};
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voc.blocks.push(Box::new(block));
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}
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BlockType::Text => {
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut data));
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let block = Text { block_type, size: block_size, data };
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voc.blocks.push(Box::new(block));
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},
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_ => panic!("block Type {:?} not implemented", block_type),
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}
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}
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BlockType::Silence => {
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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 = i16::from_le_bytes(length_buffer);
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}
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let mut frequency_divisor_buffer: [u8; 1] = [0];
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voc
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drop(fp.read(&mut frequency_divisor_buffer));
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}
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let sample_rate: i32 = 1000000i32 / (256i32 - frequency_divisor_buffer[0] as i32);
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}
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pub trait Block: std::fmt::Debug {
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let block = Silence { block_type, size: block_size, sample_rate, length };
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fn to_bytes(&self) -> Vec<u8>;
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voc.blocks.push(Box::new(block));
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}
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}
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BlockType::Text => {
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let mut data: Vec<u8> = vec![0; (next - address) as usize];
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drop(fp.read(&mut data));
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impl Block for Terminator {
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let block = Text { block_type, size: block_size, data };
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fn to_bytes(&self) -> Vec<u8> {
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voc.blocks.push(Box::new(block));
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vec![self.block_type as u8]
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}
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}
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_ => panic!("block Type {:?} not implemented", block_type),
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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.size.to_le_bytes();
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let frequency_divisor: u8 = (256i32 - 1000000i32 / self.sample_rate as i32) 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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}
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impl Block for SoundDataContinuation {
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fn to_bytes(&self) -> Vec<u8> {
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let mut result: Vec<u8> = vec![self.block_type as u8];
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result.extend_from_slice(&self.data);
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result
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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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panic!("Not implemented");
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vec![self.block_type as u8]
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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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panic!("Not implemented");
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vec![self.block_type as u8]
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}
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}
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impl Block for Text {
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fn to_bytes(&self) -> Vec<u8> {
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let size_bytes : [u8; 4] = self.size.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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}
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impl Block for RepeatStart {
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fn to_bytes(&self) -> Vec<u8> {
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panic!("Not implemented");
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vec![self.block_type as u8]
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}
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}
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impl Block for RepeatEnd {
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fn to_bytes(&self) -> Vec<u8> {
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panic!("Not implemented");
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vec![self.block_type as u8]
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}
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}
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type BlockT = Box<dyn Block>;
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pub struct Terminator {
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block_type: BlockType,
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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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impl Terminator {
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pub fn new() -> Self {
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Self { block_type: BlockType::Terminator }
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}
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}
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pub struct SoundData {
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block_type: BlockType,
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pub size: i32,
|
|
||||||
pub sample_rate: i32,
|
|
||||||
pub codec: Codec,
|
|
||||||
pub data: Vec<u8>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Debug for SoundData {
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
||||||
f.debug_struct("SoundData")
|
|
||||||
.field("size", &self.size)
|
|
||||||
.field("sample_rate", &self.sample_rate)
|
|
||||||
.field("codec", &self.codec)
|
|
||||||
.finish()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl SoundData {
|
|
||||||
pub fn new(size: i32, sample_rate: i32, codec: Codec, data: Vec<u8>) -> Self {
|
|
||||||
Self {
|
|
||||||
block_type: BlockType::SoundData,
|
|
||||||
size,
|
|
||||||
sample_rate,
|
|
||||||
codec,
|
|
||||||
data
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
voc
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
pub struct SoundDataContinuation {
|
pub trait Block: std::fmt::Debug {
|
||||||
pub block_type: BlockType,
|
fn to_bytes(&self) -> Vec<u8>;
|
||||||
pub size: i32,
|
}
|
||||||
pub data: Vec<u8>,
|
|
||||||
|
impl Block for Terminator {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
vec![self.block_type as u8]
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl fmt::Debug for SoundDataContinuation {
|
impl Block for SoundData {
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
f.debug_struct("SoundDataContinuation")
|
let size_bytes: [u8; 4] = self.size.to_le_bytes();
|
||||||
.field("size", &self.size)
|
let frequency_divisor: u8 = (256i32 - 1000000i32 / self.sample_rate as i32) as u8;
|
||||||
.finish()
|
|
||||||
|
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
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for SoundDataContinuation {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
let mut result: Vec<u8> = vec![self.block_type as u8];
|
||||||
|
result.extend_from_slice(&self.data);
|
||||||
|
result
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for Silence {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
panic!("Not implemented");
|
||||||
|
vec![self.block_type as u8]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for Marker {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
panic!("Not implemented");
|
||||||
|
vec![self.block_type as u8]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for Text {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
let size_bytes: [u8; 4] = self.size.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
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for RepeatStart {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
panic!("Not implemented");
|
||||||
|
vec![self.block_type as u8]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Block for RepeatEnd {
|
||||||
|
fn to_bytes(&self) -> Vec<u8> {
|
||||||
|
panic!("Not implemented");
|
||||||
|
vec![self.block_type as u8]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
type BlockT = Box<dyn Block>;
|
||||||
|
|
||||||
|
pub struct Terminator {
|
||||||
|
block_type: BlockType,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl fmt::Debug for Terminator {
|
||||||
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
|
f.debug_struct("Terminator")
|
||||||
|
.finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Terminator {
|
||||||
|
pub fn new() -> Self {
|
||||||
|
Self { block_type: BlockType::Terminator }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct SoundData {
|
||||||
|
block_type: BlockType,
|
||||||
|
pub size: i32,
|
||||||
|
pub sample_rate: i32,
|
||||||
|
pub codec: Codec,
|
||||||
|
pub data: Vec<u8>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl fmt::Debug for SoundData {
|
||||||
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
|
f.debug_struct("SoundData")
|
||||||
|
.field("size", &self.size)
|
||||||
|
.field("sample_rate", &self.sample_rate)
|
||||||
|
.field("codec", &self.codec)
|
||||||
|
.finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl SoundData {
|
||||||
|
pub fn new(size: i32, sample_rate: i32, codec: Codec, data: Vec<u8>) -> Self {
|
||||||
|
Self {
|
||||||
|
block_type: BlockType::SoundData,
|
||||||
|
size,
|
||||||
|
sample_rate,
|
||||||
|
codec,
|
||||||
|
data,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl SoundDataContinuation {
|
pub struct SoundDataContinuation {
|
||||||
pub fn new(size: i32, data: Vec<u8>) -> Self {
|
pub block_type: BlockType,
|
||||||
Self {
|
pub size: i32,
|
||||||
block_type: BlockType::SoundDataContinuation,
|
pub data: Vec<u8>,
|
||||||
size,
|
}
|
||||||
data
|
|
||||||
}
|
impl fmt::Debug for SoundDataContinuation {
|
||||||
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
|
f.debug_struct("SoundDataContinuation")
|
||||||
|
.field("size", &self.size)
|
||||||
|
.finish()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl SoundDataContinuation {
|
||||||
|
pub fn new(size: i32, data: Vec<u8>) -> Self {
|
||||||
|
Self {
|
||||||
|
block_type: BlockType::SoundDataContinuation,
|
||||||
|
size,
|
||||||
|
data,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct Silence {
|
pub struct Silence {
|
||||||
pub block_type: BlockType,
|
pub block_type: BlockType,
|
||||||
pub size: i32,
|
pub size: i32,
|
||||||
pub sample_rate: i32,
|
pub sample_rate: i32,
|
||||||
pub length: i16,
|
pub length: i16,
|
||||||
}
|
}
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct Marker {
|
pub struct Marker {
|
||||||
block_type: BlockType,
|
block_type: BlockType,
|
||||||
size: i32,
|
size: i32,
|
||||||
value: i16,
|
value: i16,
|
||||||
}
|
}
|
||||||
|
|
||||||
pub struct Text {
|
pub struct Text {
|
||||||
pub block_type: BlockType,
|
pub block_type: BlockType,
|
||||||
pub size: i32,
|
pub size: i32,
|
||||||
pub data: Vec<u8>,
|
pub data: Vec<u8>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl fmt::Debug for Text {
|
impl fmt::Debug for Text {
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||||
f.debug_struct("Text")
|
f.debug_struct("Text")
|
||||||
.field("size", &self.size)
|
.field("size", &self.size)
|
||||||
.finish()
|
.finish()
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct RepeatStart {
|
pub struct RepeatStart {
|
||||||
block_type: BlockType,
|
block_type: BlockType,
|
||||||
size: i32,
|
size: i32,
|
||||||
repeat: i16,
|
repeat: i16,
|
||||||
}
|
}
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct RepeatEnd {
|
pub struct RepeatEnd {
|
||||||
block_type: BlockType,
|
block_type: BlockType,
|
||||||
size: i32,
|
size: i32,
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue