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audio: Reduce size of AudioInfo from 832 to 320 bytes and make audio channel position handling more efficient

Browse source 
Assume that there are never more than 64 named channel positions and by
that provide an 1:1 mapping between the C and Rust types.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1198>
This commit is contained in:
Sebastian Dröge 2023-01-23 12:40:47 +02:00
parent 0f859b9029
commit eadb3c6db2
5 changed files with 247 additions and 344 deletions
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2
gstreamer-audio/Gir.toml
View file

@ -21,7 +21,6 @@ generate = [
"GstAudio.AudioAggregatorConvertPad",
"GstAudio.AudioAggregatorPad",
"GstAudio.AudioBaseSrc",
"GstAudio.AudioChannelPosition",
"GstAudio.AudioDitherMethod",
"GstAudio.AudioFilter",
"GstAudio.AudioFormatFlags",
@ -44,6 +43,7 @@ manual = [
"Gst.Format",
"Gst.TagList",
"Gst.TagMergeMode",
"GstAudio.AudioChannelPosition",
"GstAudio.AudioClippingMeta",
"GstAudio.AudioFormatInfo",
"GstAudio.AudioInfo",

333
gstreamer-audio/src/audio_channel_position.rs
View file

@ -1,10 +1,220 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use std::mem;
use std::{mem, slice};
use glib::translate::{from_glib, IntoGlib};
use glib::{translate::*, value::FromValue, StaticType, ToValue, Type};
use crate::AudioChannelPosition;
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy)]
#[non_exhaustive]
#[doc(alias = "GstAudioChannelPosition")]
#[repr(i32)]
pub enum AudioChannelPosition {
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_NONE")]
None = ffi::GST_AUDIO_CHANNEL_POSITION_NONE,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_MONO")]
Mono,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_INVALID")]
Invalid,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT")]
FrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT")]
FrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER")]
FrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_LFE1")]
Lfe1,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_LEFT")]
RearLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT")]
RearRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER")]
FrontLeftOfCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER")]
FrontRightOfCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_CENTER")]
RearCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_LFE2")]
Lfe2,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT")]
SideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT")]
SideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT")]
TopFrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT")]
TopFrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER")]
TopFrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_CENTER")]
TopCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT")]
TopRearLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT")]
TopRearRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_LEFT")]
TopSideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_RIGHT")]
TopSideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER")]
TopRearCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_CENTER")]
BottomFrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_LEFT")]
BottomFrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_RIGHT")]
BottomFrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_WIDE_LEFT")]
WideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_WIDE_RIGHT")]
WideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SURROUND_LEFT")]
SurroundLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT")]
SurroundRight = ffi::GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT,
#[doc(hidden)]
UnknownChannel28 = 28,
#[doc(hidden)]
UnknownChannel29 = 29,
#[doc(hidden)]
UnknownChannel30 = 30,
#[doc(hidden)]
UnknownChannel31 = 31,
#[doc(hidden)]
UnknownChannel32 = 32,
#[doc(hidden)]
UnknownChannel33 = 33,
#[doc(hidden)]
UnknownChannel34 = 34,
#[doc(hidden)]
UnknownChannel35 = 35,
#[doc(hidden)]
UnknownChannel36 = 36,
#[doc(hidden)]
UnknownChannel37 = 37,
#[doc(hidden)]
UnknownChannel38 = 38,
#[doc(hidden)]
UnknownChannel39 = 39,
#[doc(hidden)]
UnknownChannel40 = 40,
#[doc(hidden)]
UnknownChannel41 = 41,
#[doc(hidden)]
UnknownChannel42 = 42,
#[doc(hidden)]
UnknownChannel43 = 43,
#[doc(hidden)]
UnknownChannel44 = 44,
#[doc(hidden)]
UnknownChannel45 = 45,
#[doc(hidden)]
UnknownChannel46 = 46,
#[doc(hidden)]
UnknownChannel47 = 47,
#[doc(hidden)]
UnknownChannel48 = 48,
#[doc(hidden)]
UnknownChannel49 = 49,
#[doc(hidden)]
UnknownChannel50 = 50,
#[doc(hidden)]
UnknownChannel51 = 51,
#[doc(hidden)]
UnknownChannel52 = 52,
#[doc(hidden)]
UnknownChannel53 = 53,
#[doc(hidden)]
UnknownChannel54 = 54,
#[doc(hidden)]
UnknownChannel55 = 55,
#[doc(hidden)]
UnknownChannel56 = 56,
#[doc(hidden)]
UnknownChannel57 = 57,
#[doc(hidden)]
UnknownChannel58 = 58,
#[doc(hidden)]
UnknownChannel59 = 59,
#[doc(hidden)]
UnknownChannel60 = 60,
#[doc(hidden)]
UnknownChannel61 = 61,
#[doc(hidden)]
UnknownChannel62 = 62,
#[doc(hidden)]
UnknownChannel63 = 63,
#[doc(hidden)]
UnknownChannel64 = 64,
}
unsafe impl TransparentType for AudioChannelPosition {
type GlibType = ffi::GstAudioChannelPosition;
}
#[doc(hidden)]
impl IntoGlib for AudioChannelPosition {
type GlibType = ffi::GstAudioChannelPosition;
#[inline]
fn into_glib(self) -> ffi::GstAudioChannelPosition {
self as ffi::GstAudioChannelPosition
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstAudioChannelPosition> for AudioChannelPosition {
#[inline]
unsafe fn from_glib(value: ffi::GstAudioChannelPosition) -> Self {
skip_assert_initialized!();
debug_assert!((ffi::GST_AUDIO_CHANNEL_POSITION_NONE..=64).contains(&value));
mem::transmute::<ffi::GstAudioChannelPosition, AudioChannelPosition>(value)
}
}
impl StaticType for AudioChannelPosition {
#[inline]
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_audio_channel_position_get_type()) }
}
}
impl glib::value::ValueType for AudioChannelPosition {
type Type = Self;
}
unsafe impl<'a> FromValue<'a> for AudioChannelPosition {
type Checker = glib::value::GenericValueTypeChecker<Self>;
#[inline]
unsafe fn from_value(value: &'a glib::Value) -> Self {
skip_assert_initialized!();
from_glib(glib::gobject_ffi::g_value_get_enum(value.to_glib_none().0))
}
}
impl ToValue for AudioChannelPosition {
#[inline]
fn to_value(&self) -> glib::Value {
let mut value = glib::Value::for_value_type::<Self>();
unsafe {
glib::gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, self.into_glib());
}
value
}
#[inline]
fn value_type(&self) -> glib::Type {
Self::static_type()
}
}
impl From<AudioChannelPosition> for glib::Value {
#[inline]
fn from(v: AudioChannelPosition) -> Self {
skip_assert_initialized!();
ToValue::to_value(&v)
}
}
impl AudioChannelPosition {
pub fn to_mask(self) -> u64 {
@ -28,18 +238,10 @@ impl AudioChannelPosition {
return Err(glib::bool_error!("Invalid number of channels"));
}
let positions_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
positions[i].into_glib()
}
});
unsafe {
let mut mask = mem::MaybeUninit::uninit();
let valid: bool = from_glib(ffi::gst_audio_channel_positions_to_mask(
positions_raw.as_ptr() as *mut _,
positions.as_ptr() as *mut _,
len as i32,
force_order.into_glib(),
mask.as_mut_ptr(),
@ -63,20 +265,15 @@ impl AudioChannelPosition {
}
let len = positions.len();
let mut positions_raw: [ffi::GstAudioChannelPosition; 64] =
[ffi::GST_AUDIO_CHANNEL_POSITION_INVALID; 64];
let valid: bool = unsafe {
from_glib(ffi::gst_audio_channel_positions_from_mask(
len as i32,
mask,
positions_raw.as_mut_ptr(),
positions.as_mut_ptr() as *mut _,
))
};
if valid {
for (d, s) in positions.iter_mut().zip(positions_raw.iter()) {
*d = unsafe { from_glib(*s) };
}
Ok(())
} else {
Err(glib::bool_error!(
@ -94,25 +291,14 @@ impl AudioChannelPosition {
}
let len = positions.len();
let mut positions_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
positions[i].into_glib()
}
});
let valid: bool = unsafe {
from_glib(ffi::gst_audio_channel_positions_to_valid_order(
positions_raw.as_mut_ptr(),
positions.as_mut_ptr() as *mut _,
len as i32,
))
};
if valid {
for (d, s) in positions.iter_mut().zip(positions_raw.iter()) {
*d = unsafe { from_glib(*s) };
}
Ok(())
} else {
Err(glib::bool_error!(
@ -138,17 +324,9 @@ impl AudioChannelPosition {
}
let len = positions.len();
let positions_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
positions[i].into_glib()
}
});
unsafe {
from_glib(ffi::gst_audio_check_valid_channel_positions(
positions_raw.as_ptr() as *mut _,
positions.as_ptr() as *mut _,
len as i32,
force_order.into_glib(),
))
@ -170,32 +348,13 @@ pub fn buffer_reorder_channels(
return Err(glib::bool_error!("Invalid number of channels"));
}
let from_len = from.len();
let to_len = to.len();
let from_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= from_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
from[i].into_glib()
}
});
let to_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= to_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
to[i].into_glib()
}
});
let valid: bool = unsafe {
from_glib(ffi::gst_audio_buffer_reorder_channels(
buffer.as_mut_ptr(),
format.into_glib(),
channels as i32,
from_raw.as_ptr() as *mut _,
to_raw.as_ptr() as *mut _,
from.as_ptr() as *mut _,
to.as_ptr() as *mut _,
))
};
@ -220,33 +379,14 @@ pub fn reorder_channels(
return Err(glib::bool_error!("Invalid number of channels"));
}
let from_len = from.len();
let to_len = to.len();
let from_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= from_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
from[i].into_glib()
}
});
let to_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= to_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
to[i].into_glib()
}
});
let valid: bool = unsafe {
from_glib(ffi::gst_audio_reorder_channels(
data.as_mut_ptr() as *mut _,
data.len(),
format.into_glib(),
channels as i32,
from_raw.as_ptr() as *mut _,
to_raw.as_ptr() as *mut _,
from.as_ptr() as *mut _,
to.as_ptr() as *mut _,
))
};
@ -270,36 +410,19 @@ pub fn channel_reorder_map(
return Err(glib::bool_error!("Invalid number of channels"));
}
let from_len = from.len();
let to_len = to.len();
let from_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= from_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
from[i].into_glib()
}
});
let to_raw: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= to_len {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
to[i].into_glib()
}
});
let mut reorder_map_raw = [0i32, 64];
let mut reorder_map_raw = mem::MaybeUninit::<[i32; 64]>::uninit();
let valid: bool = unsafe {
from_glib(ffi::gst_audio_get_channel_reorder_map(
from_len as i32,
from_raw.as_ptr() as *mut _,
to_raw.as_ptr() as *mut _,
reorder_map_raw.as_mut_ptr(),
from.len() as i32,
from.as_ptr() as *mut _,
to.as_ptr() as *mut _,
reorder_map_raw.as_mut_ptr() as *mut i32,
))
};
if valid {
let reorder_map_raw =
unsafe { slice::from_raw_parts(reorder_map_raw.as_ptr() as *const i32, from.len()) };
for (d, s) in reorder_map.iter_mut().zip(reorder_map_raw.iter()) {
*d = *s as usize;
}

57
gstreamer-audio/src/audio_info.rs
View file

@ -1,6 +1,6 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use std::{fmt, marker::PhantomData, mem, ptr};
use std::{fmt, marker::PhantomData, mem, ptr, slice};
use glib::translate::{
from_glib, from_glib_full, from_glib_none, IntoGlib, ToGlibPtr, ToGlibPtrMut,
@ -8,7 +8,8 @@ use glib::translate::{
use gst::prelude::*;
#[doc(alias = "GstAudioInfo")]
pub struct AudioInfo(ffi::GstAudioInfo, [crate::AudioChannelPosition; 64]);
#[derive(Clone)]
pub struct AudioInfo(ffi::GstAudioInfo);
impl fmt::Debug for AudioInfo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@ -40,34 +41,23 @@ impl<'a> AudioInfoBuilder<'a> {
unsafe {
let mut info = mem::MaybeUninit::uninit();
let positions = if let Some(p) = self.positions {
if let Some(p) = self.positions {
if p.len() != self.channels as usize || p.len() > 64 {
return Err(glib::bool_error!("Invalid positions length"));
}
let positions: [ffi::GstAudioChannelPosition; 64] = std::array::from_fn(|i| {
if i >= self.channels as usize {
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID
} else {
p[i].into_glib()
}
});
let valid: bool = from_glib(ffi::gst_audio_check_valid_channel_positions(
positions.as_ptr() as *mut _,
p.as_ptr() as *mut _,
self.channels as i32,
true.into_glib(),
));
if !valid {
return Err(glib::bool_error!("channel positions are invalid"));
}
}
Some(positions)
} else {
None
};
let positions_ptr = positions
let positions_ptr = self
.positions
.as_ref()
.map(|p| p.as_ptr())
.unwrap_or(ptr::null());
@ -94,8 +84,7 @@ impl<'a> AudioInfoBuilder<'a> {
info.layout = layout.into_glib();
}
let positions = std::array::from_fn(|i| from_glib(info.position[i]));
Ok(AudioInfo(info, positions))
Ok(AudioInfo(info))
}
}
@ -154,9 +143,7 @@ impl AudioInfo {
info.as_mut_ptr(),
caps.as_ptr(),
)) {
let info = info.assume_init();
let positions = std::array::from_fn(|i| from_glib(info.position[i]));
Ok(Self(info, positions))
Ok(Self(info.assume_init()))
} else {
Err(glib::bool_error!("Failed to create AudioInfo from caps"))
}
@ -311,7 +298,12 @@ impl AudioInfo {
return None;
}
Some(&self.1[0..(self.0.channels as usize)])
Some(unsafe {
slice::from_raw_parts(
&self.0.position as *const i32 as *const crate::AudioChannelPosition,
self.0.channels as usize,
)
})
}
#[inline]
@ -320,13 +312,6 @@ impl AudioInfo {
}
}
impl Clone for AudioInfo {
#[inline]
fn clone(&self) -> Self {
unsafe { Self(ptr::read(&self.0), self.1) }
}
}
impl PartialEq for AudioInfo {
#[doc(alias = "gst_audio_info_is_equal")]
#[inline]
@ -435,10 +420,7 @@ impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstAudioInfo> for AudioInfo
impl glib::translate::FromGlibPtrNone<*const ffi::GstAudioInfo> for AudioInfo {
#[inline]
unsafe fn from_glib_none(ptr: *const ffi::GstAudioInfo) -> Self {
Self(
ptr::read(ptr),
std::array::from_fn(|i| from_glib((*ptr).position[i])),
)
Self(ptr::read(ptr))
}
}
@ -446,10 +428,7 @@ impl glib::translate::FromGlibPtrNone<*const ffi::GstAudioInfo> for AudioInfo {
impl glib::translate::FromGlibPtrNone<*mut ffi::GstAudioInfo> for AudioInfo {
#[inline]
unsafe fn from_glib_none(ptr: *mut ffi::GstAudioInfo) -> Self {
Self(
ptr::read(ptr),
std::array::from_fn(|i| from_glib((*ptr).position[i])),
)
Self(ptr::read(ptr))
}
}

198
gstreamer-audio/src/auto/enums.rs
View file

@ -6,204 +6,6 @@
use glib::{translate::*, value::FromValue, value::ToValue, StaticType, Type};
use std::fmt;
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy)]
#[non_exhaustive]
#[doc(alias = "GstAudioChannelPosition")]
pub enum AudioChannelPosition {
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_NONE")]
None,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_MONO")]
Mono,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_INVALID")]
Invalid,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT")]
FrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT")]
FrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER")]
FrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_LFE1")]
Lfe1,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_LEFT")]
RearLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT")]
RearRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER")]
FrontLeftOfCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER")]
FrontRightOfCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_REAR_CENTER")]
RearCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_LFE2")]
Lfe2,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT")]
SideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT")]
SideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT")]
TopFrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT")]
TopFrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER")]
TopFrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_CENTER")]
TopCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT")]
TopRearLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT")]
TopRearRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_LEFT")]
TopSideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_RIGHT")]
TopSideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER")]
TopRearCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_CENTER")]
BottomFrontCenter,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_LEFT")]
BottomFrontLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_RIGHT")]
BottomFrontRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_WIDE_LEFT")]
WideLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_WIDE_RIGHT")]
WideRight,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SURROUND_LEFT")]
SurroundLeft,
#[doc(alias = "GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT")]
SurroundRight,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl IntoGlib for AudioChannelPosition {
type GlibType = ffi::GstAudioChannelPosition;
fn into_glib(self) -> ffi::GstAudioChannelPosition {
match self {
Self::None => ffi::GST_AUDIO_CHANNEL_POSITION_NONE,
Self::Mono => ffi::GST_AUDIO_CHANNEL_POSITION_MONO,
Self::Invalid => ffi::GST_AUDIO_CHANNEL_POSITION_INVALID,
Self::FrontLeft => ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
Self::FrontRight => ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
Self::FrontCenter => ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
Self::Lfe1 => ffi::GST_AUDIO_CHANNEL_POSITION_LFE1,
Self::RearLeft => ffi::GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
Self::RearRight => ffi::GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
Self::FrontLeftOfCenter => ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
Self::FrontRightOfCenter => ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
Self::RearCenter => ffi::GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
Self::Lfe2 => ffi::GST_AUDIO_CHANNEL_POSITION_LFE2,
Self::SideLeft => ffi::GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
Self::SideRight => ffi::GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
Self::TopFrontLeft => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT,
Self::TopFrontRight => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT,
Self::TopFrontCenter => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER,
Self::TopCenter => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_CENTER,
Self::TopRearLeft => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT,
Self::TopRearRight => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT,
Self::TopSideLeft => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_LEFT,
Self::TopSideRight => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_RIGHT,
Self::TopRearCenter => ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER,
Self::BottomFrontCenter => ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_CENTER,
Self::BottomFrontLeft => ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_LEFT,
Self::BottomFrontRight => ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_RIGHT,
Self::WideLeft => ffi::GST_AUDIO_CHANNEL_POSITION_WIDE_LEFT,
Self::WideRight => ffi::GST_AUDIO_CHANNEL_POSITION_WIDE_RIGHT,
Self::SurroundLeft => ffi::GST_AUDIO_CHANNEL_POSITION_SURROUND_LEFT,
Self::SurroundRight => ffi::GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT,
Self::__Unknown(value) => value,
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstAudioChannelPosition> for AudioChannelPosition {
unsafe fn from_glib(value: ffi::GstAudioChannelPosition) -> Self {
skip_assert_initialized!();
match value {
ffi::GST_AUDIO_CHANNEL_POSITION_NONE => Self::None,
ffi::GST_AUDIO_CHANNEL_POSITION_MONO => Self::Mono,
ffi::GST_AUDIO_CHANNEL_POSITION_INVALID => Self::Invalid,
ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT => Self::FrontLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT => Self::FrontRight,
ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER => Self::FrontCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_LFE1 => Self::Lfe1,
ffi::GST_AUDIO_CHANNEL_POSITION_REAR_LEFT => Self::RearLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT => Self::RearRight,
ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER => Self::FrontLeftOfCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER => Self::FrontRightOfCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_REAR_CENTER => Self::RearCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_LFE2 => Self::Lfe2,
ffi::GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT => Self::SideLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT => Self::SideRight,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT => Self::TopFrontLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT => Self::TopFrontRight,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER => Self::TopFrontCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_CENTER => Self::TopCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT => Self::TopRearLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT => Self::TopRearRight,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_LEFT => Self::TopSideLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_SIDE_RIGHT => Self::TopSideRight,
ffi::GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER => Self::TopRearCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_CENTER => Self::BottomFrontCenter,
ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_LEFT => Self::BottomFrontLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_BOTTOM_FRONT_RIGHT => Self::BottomFrontRight,
ffi::GST_AUDIO_CHANNEL_POSITION_WIDE_LEFT => Self::WideLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_WIDE_RIGHT => Self::WideRight,
ffi::GST_AUDIO_CHANNEL_POSITION_SURROUND_LEFT => Self::SurroundLeft,
ffi::GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT => Self::SurroundRight,
value => Self::__Unknown(value),
}
}
}
impl StaticType for AudioChannelPosition {
#[inline]
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_audio_channel_position_get_type()) }
}
}
impl glib::value::ValueType for AudioChannelPosition {
type Type = Self;
}
unsafe impl<'a> FromValue<'a> for AudioChannelPosition {
type Checker = glib::value::GenericValueTypeChecker<Self>;
#[inline]
unsafe fn from_value(value: &'a glib::Value) -> Self {
skip_assert_initialized!();
from_glib(glib::gobject_ffi::g_value_get_enum(value.to_glib_none().0))
}
}
impl ToValue for AudioChannelPosition {
#[inline]
fn to_value(&self) -> glib::Value {
let mut value = glib::Value::for_value_type::<Self>();
unsafe {
glib::gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, self.into_glib());
}
value
}
#[inline]
fn value_type(&self) -> glib::Type {
Self::static_type()
}
}
impl From<AudioChannelPosition> for glib::Value {
#[inline]
fn from(v: AudioChannelPosition) -> Self {
skip_assert_initialized!();
ToValue::to_value(&v)
}
}
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy)]
#[non_exhaustive]
#[doc(alias = "GstAudioDitherMethod")]

1
gstreamer-audio/src/auto/mod.rs
View file

@ -40,7 +40,6 @@ mod audio_stream_align;
pub use self::audio_stream_align::AudioStreamAlign;
mod enums;
pub use self::enums::AudioChannelPosition;
pub use self::enums::AudioDitherMethod;
pub use self::enums::AudioFormat;
pub use self::enums::AudioLayout;