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Wuelle
2021-12-30 21:59:29 +01:00
parent 5e563cddf8
commit 9a010ca0c4
17 changed files with 1312 additions and 1060 deletions
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66
src/common_format.rs
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@@ -1,9 +1,9 @@
use uuid::Uuid;
const BASIC_PCM: u16 = 0x0001;
const BASIC_FLOAT: u16 = 0x0003;
const BASIC_MPEG: u16 = 0x0050;
const BASIC_EXTENDED: u16 = 0xFFFE;
const BASIC_PCM: u16 = 0x0001;
const BASIC_FLOAT: u16 = 0x0003;
const BASIC_MPEG: u16 = 0x0050;
const BASIC_EXTENDED: u16 = 0xFFFE;
/* RC 2361 §4:
@@ -15,50 +15,54 @@ const BASIC_EXTENDED: u16 = 0xFFFE;
*/
pub const UUID_PCM: Uuid = Uuid::from_bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71]);
pub const UUID_PCM: Uuid = Uuid::from_bytes([
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71,
]);
pub const UUID_FLOAT: Uuid = Uuid::from_bytes([0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71]);
pub const UUID_FLOAT: Uuid = Uuid::from_bytes([
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71,
]);
pub const UUID_MPEG: Uuid = Uuid::from_bytes([0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71]);
pub const UUID_MPEG: Uuid = Uuid::from_bytes([
0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71,
]);
pub const UUID_BFORMAT_PCM: Uuid = Uuid::from_bytes([0x01, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11,
0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00]);
pub const UUID_BFORMAT_FLOAT: Uuid = Uuid::from_bytes([0x03, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11,
0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00]);
pub const UUID_BFORMAT_PCM: Uuid = Uuid::from_bytes([
0x01, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11, 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00,
]);
pub const UUID_BFORMAT_FLOAT: Uuid = Uuid::from_bytes([
0x03, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11, 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00,
]);
fn uuid_from_basic_tag(tag: u16) -> Uuid {
let tail : [u8; 6] = [0x00,0xaa,0x00,0x38,0x9b,0x71];
let tail: [u8; 6] = [0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71];
Uuid::from_fields_le(tag as u32, 0x0000, 0x0010, &tail).unwrap()
}
/// Sample format of the Wave file.
///
///
///
///
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum CommonFormat {
/// Integer linear PCM
IntegerPCM,
/// IEEE Floating-point Linear PCM
IeeeFloatPCM,
/// MPEG
Mpeg,
/// Ambisonic B-Format Linear PCM
AmbisonicBFormatIntegerPCM,
/// Ambisonic B-Format Float PCM
AmbisonicBFormatIeeeFloatPCM,
/// An unknown format identified by a basic format tag.
UnknownBasic(u16),
/// An unknown format identified by an extension UUID.
UnknownExtended(Uuid),
}
@@ -70,18 +74,18 @@ impl CommonFormat {
(BASIC_PCM, _) => Self::IntegerPCM,
(BASIC_FLOAT, _) => Self::IeeeFloatPCM,
(BASIC_MPEG, _) => Self::Mpeg,
(BASIC_EXTENDED, Some(UUID_PCM)) => Self::IntegerPCM,
(BASIC_EXTENDED, Some(UUID_FLOAT))=> Self::IeeeFloatPCM,
(BASIC_EXTENDED, Some(UUID_PCM)) => Self::IntegerPCM,
(BASIC_EXTENDED, Some(UUID_FLOAT)) => Self::IeeeFloatPCM,
(BASIC_EXTENDED, Some(UUID_BFORMAT_PCM)) => Self::AmbisonicBFormatIntegerPCM,
(BASIC_EXTENDED, Some(UUID_BFORMAT_FLOAT)) => Self::AmbisonicBFormatIeeeFloatPCM,
(BASIC_EXTENDED, Some(x)) => CommonFormat::UnknownExtended(x),
(x, _) => CommonFormat::UnknownBasic(x)
(x, _) => CommonFormat::UnknownBasic(x),
}
}
/// Get the appropriate tag and `Uuid` for the callee.
///
/// If there is no appropriate tag for the format of the callee, the
///
/// If there is no appropriate tag for the format of the callee, the
/// returned tag will be 0xFFFE and the `Uuid` will describe the format.
pub fn take(self) -> (u16, Uuid) {
match self {
@@ -90,8 +94,8 @@ impl CommonFormat {
Self::Mpeg => (BASIC_MPEG, UUID_MPEG),
Self::AmbisonicBFormatIntegerPCM => (BASIC_EXTENDED, UUID_BFORMAT_PCM),
Self::AmbisonicBFormatIeeeFloatPCM => (BASIC_EXTENDED, UUID_BFORMAT_FLOAT),
Self::UnknownBasic(x) => ( x, uuid_from_basic_tag(x) ),
Self::UnknownExtended(x) => ( BASIC_EXTENDED, x)
Self::UnknownBasic(x) => (x, uuid_from_basic_tag(x)),
Self::UnknownExtended(x) => (BASIC_EXTENDED, x),
}
}
}