gstreamer-rs/gstreamer-audio/src/audio_format.rs
2017-12-16 10:56:59 +02:00

133 lines
4.5 KiB
Rust

// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use ffi;
use std::ffi::CStr;
use std::fmt;
use std::str;
use glib::translate::{from_glib, ToGlib, ToGlibPtr};
impl ::AudioFormat {
pub fn build_integer(
sign: bool,
endianness: ::AudioEndianness,
width: i32,
depth: i32,
) -> ::AudioFormat {
assert_initialized_main_thread!();
unsafe {
from_glib(ffi::gst_audio_format_build_integer(
sign.to_glib(),
endianness.to_glib(),
width,
depth,
))
}
}
pub fn from_string(s: &str) -> ::AudioFormat {
assert_initialized_main_thread!();
unsafe { from_glib(ffi::gst_audio_format_from_string(s.to_glib_none().0)) }
}
pub fn to_string<'a>(&self) -> &'a str {
if *self == ::AudioFormat::Unknown {
return "UNKNOWN";
}
unsafe {
CStr::from_ptr(ffi::gst_audio_format_to_string(self.to_glib()))
.to_str()
.unwrap()
}
}
}
impl str::FromStr for ::AudioFormat {
type Err = ();
fn from_str(s: &str) -> Result<Self, ()> {
skip_assert_initialized!();
let format = Self::from_string(s);
if format == ::AudioFormat::Unknown {
Err(())
} else {
Ok(format)
}
}
}
impl fmt::Display for ::AudioFormat {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
f.write_str(self.to_string())
}
}
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S16: ::AudioFormat = ::AudioFormat::S16be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U16: ::AudioFormat = ::AudioFormat::U16be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S2432: ::AudioFormat = ::AudioFormat::S2432be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U2432: ::AudioFormat = ::AudioFormat::U2432be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S32: ::AudioFormat = ::AudioFormat::S32be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U32: ::AudioFormat = ::AudioFormat::U32be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S24: ::AudioFormat = ::AudioFormat::S24be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U24: ::AudioFormat = ::AudioFormat::U24be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S20: ::AudioFormat = ::AudioFormat::S20be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U20: ::AudioFormat = ::AudioFormat::U20be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_S18: ::AudioFormat = ::AudioFormat::S18be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_U18: ::AudioFormat = ::AudioFormat::U18be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_F32: ::AudioFormat = ::AudioFormat::F32be;
#[cfg(target_endian = "big")]
pub const AUDIO_FORMAT_F64: ::AudioFormat = ::AudioFormat::F64be;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S16: ::AudioFormat = ::AudioFormat::S16le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U16: ::AudioFormat = ::AudioFormat::U16le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S2432: ::AudioFormat = ::AudioFormat::S2432le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U2432: ::AudioFormat = ::AudioFormat::U2432le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S32: ::AudioFormat = ::AudioFormat::S32le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U32: ::AudioFormat = ::AudioFormat::U32le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S24: ::AudioFormat = ::AudioFormat::S24le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U24: ::AudioFormat = ::AudioFormat::U24le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S20: ::AudioFormat = ::AudioFormat::S20le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U20: ::AudioFormat = ::AudioFormat::U20le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_S18: ::AudioFormat = ::AudioFormat::S18le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_U18: ::AudioFormat = ::AudioFormat::U18le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_F32: ::AudioFormat = ::AudioFormat::F32le;
#[cfg(target_endian = "little")]
pub const AUDIO_FORMAT_F64: ::AudioFormat = ::AudioFormat::F64le;