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feat: add mkv detection

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This commit is contained in:
鲁树人 2025-02-25 05:01:35 +09:00
parent 926c8896b0
commit ff9155a686
1 changed files with 5 additions and 1 deletions
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6
um_audio/src/lib.rs
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@ -24,6 +24,7 @@ pub enum AudioType {
M4B = 5,
MP4 = 6,
WMA = 7, // While possible, it is rare to find a lossless WMA file.
MKV = 8, // Matroska (mkv, mka, webm etc.; can contain lossy or lossless audio tracks)
// Lossless
FLAC = MASK_LOSSLESS | 1,
@ -46,6 +47,7 @@ impl AudioType {
AudioType::DFF => "dff",
AudioType::WAV => "wav",
AudioType::APE => "ape",
AudioType::MKV => "ape",
_ => "bin",
}
@ -77,9 +79,10 @@ fn is_aac(magic: u32) -> bool {
const MAGIC_FLAC: [u8; 4] = *b"fLaC";
const MAGIC_OGG: [u8; 4] = *b"OggS";
const MAGIC_DFF: [u8; 4] = *b"FRM8";
const MAGIC_WMA: [u8; 4] = *b"\x30\x26\xB2\x75";
const MAGIC_WMA: [u8; 4] = [0x30, 0x26, 0xB2, 0x75];
const MAGIC_WAV: [u8; 4] = *b"RIFF";
const MAGIC_APE: [u8; 4] = *b"MAC ";
const MAGIC_MKV: [u8; 4] = [0x1A, 0x45, 0xDF, 0xA3];
pub fn detect_audio_type(buffer: &[u8]) -> Result<AudioType, AudioError> {
let offset = metadata::get_header_metadata_size(buffer, 0)?;
@ -96,6 +99,7 @@ pub fn detect_audio_type(buffer: &[u8]) -> Result<AudioType, AudioError> {
MAGIC_WMA => return Ok(AudioType::WMA),
MAGIC_WAV => return Ok(AudioType::WAV),
MAGIC_APE => return Ok(AudioType::APE),
MAGIC_MKV => return Ok(AudioType::MKV),
_ => {}
}
let magic = u32::from_be_bytes(magic);