1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

// 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().as_str())
    }
}

#[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;