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gstreamer: Implement gst::Segment via glib::wrapper!

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1180>
This commit is contained in:
Sebastian Dröge 2023-01-03 11:10:08 +02:00 committed by GStreamer Marge Bot
parent 8ed150c853
commit cbd3035a5b
3 changed files with 64 additions and 128 deletions
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2
gstreamer-base/src/aggregator.rs
View file

@ -251,7 +251,7 @@ impl<O: IsA<Aggregator>> AggregatorExtManual for O {
let f: &F = &*(f as *const F);
f(
Aggregator::from_glib_borrow(this).unsafe_cast_ref(),
gst::Segment::from_ptr(segment),
gst::Segment::from_glib_ptr_borrow(segment),
from_glib(pts),
from_glib(dts),
from_glib(duration),

2
gstreamer/src/sample.rs
View file

@ -173,7 +173,7 @@ impl SampleRef {
if ptr.is_null() {
None
} else {
Some(crate::Segment::from_ptr(ptr))
Some(crate::Segment::from_glib_ptr_borrow(ptr))
}
}
}

186
gstreamer/src/segment.rs
View file

@ -13,19 +13,23 @@ use glib::StaticType;
use std::fmt;
use std::marker::PhantomData;
use std::mem;
use std::ptr;
pub type Segment = FormattedSegment<GenericFormattedValue>;
#[repr(transparent)]
#[doc(alias = "GstSegment")]
pub struct FormattedSegment<T: FormattedValueIntrinsic>(ffi::GstSegment, PhantomData<T>);
impl Segment {
pub unsafe fn from_ptr<'a>(ptr: *const ffi::GstSegment) -> &'a Segment {
assert!(!ptr.is_null());
&*(ptr as *const Self)
glib::wrapper! {
#[doc(alias = "GstSegment")]
pub struct FormattedSegment<T: FormattedValueIntrinsic>(BoxedInline<ffi::GstSegment>);
match fn {
copy => |ptr| ffi::gst_segment_copy(ptr),
free => |ptr| ffi::gst_segment_free(ptr),
init => |_ptr| (),
copy_into => |dest, src| { *dest = *src; },
clear => |_ptr| (),
}
}
impl Segment {
pub fn reset_with_format(&mut self, format: Format) {
unsafe {
ffi::gst_segment_init(self.to_glib_none_mut().0, format.into_glib());
@ -33,12 +37,15 @@ impl Segment {
}
pub fn set_format(&mut self, format: Format) {
self.0.format = format.into_glib();
self.inner.format = format.into_glib();
}
pub fn downcast<T: FormattedValueIntrinsic>(self) -> Result<FormattedSegment<T>, Self> {
if T::default_format() == Format::Undefined || T::default_format() == self.format() {
Ok(FormattedSegment(self.0, PhantomData))
Ok(FormattedSegment {
inner: self.inner,
phantom: PhantomData,
})
} else {
Err(self)
}
@ -75,11 +82,17 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
ffi::gst_segment_init(segment.as_mut_ptr(), T::default_format().into_glib());
segment.assume_init()
};
FormattedSegment(segment, PhantomData)
FormattedSegment {
inner: segment,
phantom: PhantomData,
}
}
pub fn upcast(self) -> Segment {
FormattedSegment(self.0, PhantomData)
FormattedSegment {
inner: self.inner,
phantom: PhantomData,
}
}
pub fn upcast_ref(&self) -> &Segment {
@ -90,7 +103,7 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
pub fn reset(&mut self) {
unsafe {
ffi::gst_segment_init(&mut self.0, T::default_format().into_glib());
ffi::gst_segment_init(&mut self.inner, T::default_format().into_glib());
}
}
@ -107,7 +120,7 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
let mut clip_start = mem::MaybeUninit::uninit();
let mut clip_stop = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gst_segment_clip(
&self.0,
&self.inner,
start.format().into_glib(),
start.into_raw_value() as u64,
stop.into_raw_value() as u64,
@ -143,7 +156,7 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
unsafe {
let mut update = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gst_segment_do_seek(
&mut self.0,
&mut self.inner,
rate,
self.format().into_glib(),
flags.into_glib(),
@ -166,7 +179,7 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_segment_offset_running_time(
&mut self.0,
&mut self.inner,
self.format().into_glib(),
offset,
),
@ -187,7 +200,7 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_segment_set_running_time(
&mut self.0,
&mut self.inner,
self.format().into_glib(),
running_time.into_raw_value() as u64,
),
@ -198,108 +211,108 @@ impl<T: FormattedValueIntrinsic> FormattedSegment<T> {
#[doc(alias = "get_flags")]
pub fn flags(&self) -> crate::SegmentFlags {
unsafe { from_glib(self.0.flags) }
unsafe { from_glib(self.inner.flags) }
}
pub fn set_flags(&mut self, flags: crate::SegmentFlags) {
self.0.flags = flags.into_glib();
self.inner.flags = flags.into_glib();
}
#[doc(alias = "get_rate")]
pub fn rate(&self) -> f64 {
self.0.rate
self.inner.rate
}
#[allow(clippy::float_cmp)]
pub fn set_rate(&mut self, rate: f64) {
assert_ne!(rate, 0.0);
self.0.rate = rate;
self.inner.rate = rate;
}
#[doc(alias = "get_applied_rate")]
pub fn applied_rate(&self) -> f64 {
self.0.applied_rate
self.inner.applied_rate
}
#[allow(clippy::float_cmp)]
pub fn set_applied_rate(&mut self, applied_rate: f64) {
assert_ne!(applied_rate, 0.0);
self.0.applied_rate = applied_rate;
self.inner.applied_rate = applied_rate;
}
#[doc(alias = "get_format")]
pub fn format(&self) -> Format {
unsafe { from_glib(self.0.format) }
unsafe { from_glib(self.inner.format) }
}
#[doc(alias = "get_base")]
pub fn base(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.base as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.base as i64) }
}
pub fn set_base(&mut self, base: impl CompatibleFormattedValue<T>) {
let base = base.try_into_checked_explicit(self.format()).unwrap();
self.0.base = unsafe { base.into_raw_value() } as u64;
self.inner.base = unsafe { base.into_raw_value() } as u64;
}
#[doc(alias = "get_offset")]
pub fn offset(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.offset as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.offset as i64) }
}
pub fn set_offset(&mut self, offset: impl CompatibleFormattedValue<T>) {
let offset = offset.try_into_checked_explicit(self.format()).unwrap();
self.0.offset = unsafe { offset.into_raw_value() } as u64;
self.inner.offset = unsafe { offset.into_raw_value() } as u64;
}
#[doc(alias = "get_start")]
pub fn start(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.start as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.start as i64) }
}
pub fn set_start(&mut self, start: impl CompatibleFormattedValue<T>) {
let start = start.try_into_checked_explicit(self.format()).unwrap();
self.0.start = unsafe { start.into_raw_value() } as u64;
self.inner.start = unsafe { start.into_raw_value() } as u64;
}
#[doc(alias = "get_stop")]
pub fn stop(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.stop as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.stop as i64) }
}
pub fn set_stop(&mut self, stop: impl CompatibleFormattedValue<T>) {
let stop = stop.try_into_checked_explicit(self.format()).unwrap();
self.0.stop = unsafe { stop.into_raw_value() } as u64;
self.inner.stop = unsafe { stop.into_raw_value() } as u64;
}
#[doc(alias = "get_time")]
pub fn time(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.time as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.time as i64) }
}
pub fn set_time(&mut self, time: impl CompatibleFormattedValue<T>) {
let time = time.try_into_checked_explicit(self.format()).unwrap();
self.0.time = unsafe { time.into_raw_value() } as u64;
self.inner.time = unsafe { time.into_raw_value() } as u64;
}
#[doc(alias = "get_position")]
pub fn position(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.position as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.position as i64) }
}
pub fn set_position(&mut self, position: impl CompatibleFormattedValue<T>) {
let position = position.try_into_checked_explicit(self.format()).unwrap();
self.0.position = unsafe { position.into_raw_value() } as u64;
self.inner.position = unsafe { position.into_raw_value() } as u64;
}
#[doc(alias = "get_duration")]
pub fn duration(&self) -> T::FullRange {
unsafe { T::FullRange::from_raw(self.format(), self.0.duration as i64) }
unsafe { T::FullRange::from_raw(self.format(), self.inner.duration as i64) }
}
pub fn set_duration(&mut self, duration: impl CompatibleFormattedValue<T>) {
let duration = duration.try_into_checked_explicit(self.format()).unwrap();
self.0.duration = unsafe { duration.into_raw_value() } as u64;
self.inner.duration = unsafe { duration.into_raw_value() } as u64;
}
}
@ -307,7 +320,7 @@ impl<T: FormattedValueIntrinsic> PartialEq for FormattedSegment<T> {
#[inline]
#[doc(alias = "gst_segment_is_equal")]
fn eq(&self, other: &Self) -> bool {
unsafe { from_glib(ffi::gst_segment_is_equal(&self.0, &other.0)) }
unsafe { from_glib(ffi::gst_segment_is_equal(&self.inner, &other.inner)) }
}
}
@ -332,7 +345,7 @@ where
T::FullRange::from_raw(
self.format(),
ffi::gst_segment_position_from_running_time(
&self.0,
&self.inner,
self.format().into_glib(),
running_time.into_raw_value() as u64,
) as i64,
@ -356,7 +369,7 @@ where
T::FullRange::from_raw(
self.format(),
ffi::gst_segment_position_from_stream_time(
&self.0,
&self.inner,
self.format().into_glib(),
stream_time.into_raw_value() as u64,
) as i64,
@ -375,7 +388,7 @@ where
T::FullRange::from_raw(
self.format(),
ffi::gst_segment_to_running_time(
&self.0,
&self.inner,
self.format().into_glib(),
position.into_raw_value() as u64,
) as i64,
@ -394,7 +407,7 @@ where
T::FullRange::from_raw(
self.format(),
ffi::gst_segment_to_stream_time(
&self.0,
&self.inner,
self.format().into_glib(),
position.into_raw_value() as u64,
) as i64,
@ -424,7 +437,7 @@ where
unsafe {
let mut position = mem::MaybeUninit::uninit();
let sign = ffi::gst_segment_position_from_running_time_full(
&self.0,
&self.inner,
self.format().into_glib(),
running_time.into_raw_value() as u64,
position.as_mut_ptr(),
@ -449,7 +462,7 @@ where
unsafe {
let mut position = mem::MaybeUninit::uninit();
let sign = ffi::gst_segment_position_from_stream_time_full(
&self.0,
&self.inner,
self.format().into_glib(),
stream_time.into_raw_value() as u64,
position.as_mut_ptr(),
@ -472,7 +485,7 @@ where
unsafe {
let mut running_time = mem::MaybeUninit::uninit();
let sign = ffi::gst_segment_to_running_time_full(
&self.0,
&self.inner,
self.format().into_glib(),
position.into_raw_value() as u64,
running_time.as_mut_ptr(),
@ -496,7 +509,7 @@ where
unsafe {
let mut stream_time = mem::MaybeUninit::uninit();
let sign = ffi::gst_segment_to_stream_time_full(
&self.0,
&self.inner,
self.format().into_glib(),
position.into_raw_value() as u64,
stream_time.as_mut_ptr(),
@ -513,12 +526,6 @@ impl<T: FormattedValueIntrinsic> Eq for FormattedSegment<T> {}
unsafe impl<T: FormattedValueIntrinsic> Send for FormattedSegment<T> {}
unsafe impl<T: FormattedValueIntrinsic> Sync for FormattedSegment<T> {}
impl<T: FormattedValueIntrinsic> Clone for FormattedSegment<T> {
fn clone(&self) -> Self {
unsafe { FormattedSegment(ptr::read(&self.0), PhantomData) }
}
}
impl<T: FormattedValueIntrinsic> AsRef<Segment> for FormattedSegment<T> {
fn as_ref(&self) -> &Segment {
unsafe {
@ -605,7 +612,7 @@ unsafe impl<'a> glib::value::FromValue<'a> for &'a Segment {
unsafe fn from_value(value: &'a glib::Value) -> Self {
skip_assert_initialized!();
Segment::from_ptr(
Segment::from_glib_ptr_borrow(
glib::gobject_ffi::g_value_get_boxed(value.to_glib_none().0) as *const ffi::GstSegment
)
}
@ -650,74 +657,3 @@ impl<T: FormattedValueIntrinsic> From<FormattedSegment<T>> for glib::Value {
glib::value::ToValue::to_value(&v)
}
}
#[doc(hidden)]
impl<T: FormattedValueIntrinsic> glib::translate::GlibPtrDefault for FormattedSegment<T> {
type GlibType = *mut ffi::GstSegment;
}
#[doc(hidden)]
unsafe impl<T: FormattedValueIntrinsic> TransparentType for FormattedSegment<T> {
type GlibType = ffi::GstSegment;
}
#[doc(hidden)]
impl<'a, T: FormattedValueIntrinsic> glib::translate::ToGlibPtr<'a, *const ffi::GstSegment>
for FormattedSegment<T>
{
type Storage = PhantomData<&'a FormattedSegment<T>>;
fn to_glib_none(&'a self) -> glib::translate::Stash<'a, *const ffi::GstSegment, Self> {
glib::translate::Stash(&self.0, PhantomData)
}
fn to_glib_full(&self) -> *const ffi::GstSegment {
unimplemented!()
}
}
#[doc(hidden)]
impl<'a, T: FormattedValueIntrinsic> glib::translate::ToGlibPtrMut<'a, *mut ffi::GstSegment>
for FormattedSegment<T>
{
type Storage = PhantomData<&'a mut FormattedSegment<T>>;
#[inline]
fn to_glib_none_mut(&'a mut self) -> glib::translate::StashMut<'a, *mut ffi::GstSegment, Self> {
glib::translate::StashMut(&mut self.0, PhantomData)
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrNone<*const ffi::GstSegment> for Segment {
#[inline]
unsafe fn from_glib_none(ptr: *const ffi::GstSegment) -> Self {
FormattedSegment(ptr::read(ptr), PhantomData)
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrNone<*mut ffi::GstSegment> for Segment {
#[inline]
unsafe fn from_glib_none(ptr: *mut ffi::GstSegment) -> Self {
FormattedSegment(ptr::read(ptr), PhantomData)
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrBorrow<*mut ffi::GstSegment> for Segment {
#[inline]
unsafe fn from_glib_borrow(ptr: *mut ffi::GstSegment) -> Borrowed<Self> {
Borrowed::new(FormattedSegment(ptr::read(ptr), PhantomData))
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrFull<*mut ffi::GstSegment> for Segment {
#[inline]
unsafe fn from_glib_full(ptr: *mut ffi::GstSegment) -> Self {
let segment = from_glib_none(ptr);
glib::ffi::g_free(ptr as *mut _);
segment
}
}