mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-09-20 19:10:06 +00:00
c66fc90566
And fix some other existing accessors to use the correct mutex. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1373>
151 lines
4.6 KiB
Rust
151 lines
4.6 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use std::mem;
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use glib::{prelude::*, translate::*};
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use gst::{
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format::{FormattedValue, SpecificFormattedValueFullRange},
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prelude::*,
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};
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use crate::{BaseParse, BaseParseFrame};
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mod sealed {
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pub trait Sealed {}
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impl<T: super::IsA<super::BaseParse>> Sealed for T {}
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}
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pub trait BaseParseExtManual: sealed::Sealed + IsA<BaseParse> + 'static {
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#[doc(alias = "get_sink_pad")]
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fn sink_pad(&self) -> &gst::Pad {
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unsafe {
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let elt = &*(self.as_ptr() as *const ffi::GstBaseParse);
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&*(&elt.sinkpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
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}
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}
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#[doc(alias = "get_src_pad")]
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fn src_pad(&self) -> &gst::Pad {
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unsafe {
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let elt = &*(self.as_ptr() as *const ffi::GstBaseParse);
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&*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
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}
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}
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fn segment(&self) -> gst::Segment {
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unsafe {
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let ptr: &ffi::GstBaseParse = &*(self.as_ptr() as *const _);
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let sinkpad = self.sink_pad();
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let _guard = sinkpad.stream_lock();
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from_glib_none(&ptr.segment as *const gst::ffi::GstSegment)
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}
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}
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fn lost_sync(&self) -> bool {
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unsafe {
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let ptr: &ffi::GstBaseParse = &*(self.as_ptr() as *const _);
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let sinkpad = self.sink_pad();
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let _guard = sinkpad.stream_lock();
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ptr.flags & ffi::GST_BASE_PARSE_FLAG_LOST_SYNC as u32 != 0
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}
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}
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fn is_draining(&self) -> bool {
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unsafe {
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let ptr: &ffi::GstBaseParse = &*(self.as_ptr() as *const _);
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let sinkpad = self.sink_pad();
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let _guard = sinkpad.stream_lock();
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ptr.flags & ffi::GST_BASE_PARSE_FLAG_DRAINING as u32 != 0
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}
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}
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#[doc(alias = "gst_base_parse_set_duration")]
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fn set_duration(&self, duration: impl FormattedValue, interval: u32) {
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unsafe {
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ffi::gst_base_parse_set_duration(
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self.as_ref().to_glib_none().0,
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duration.format().into_glib(),
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duration.into_raw_value(),
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interval as i32,
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);
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}
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}
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#[doc(alias = "gst_base_parse_set_frame_rate")]
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fn set_frame_rate(&self, fps: gst::Fraction, lead_in: u32, lead_out: u32) {
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let (fps_num, fps_den) = fps.into();
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unsafe {
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ffi::gst_base_parse_set_frame_rate(
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self.as_ref().to_glib_none().0,
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fps_num as u32,
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fps_den as u32,
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lead_in,
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lead_out,
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);
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}
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}
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#[doc(alias = "gst_base_parse_convert_default")]
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fn convert_default<U: SpecificFormattedValueFullRange>(
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&self,
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src_val: impl FormattedValue,
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) -> Option<U> {
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unsafe {
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let mut dest_val = mem::MaybeUninit::uninit();
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let ret = from_glib(ffi::gst_base_parse_convert_default(
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self.as_ref().to_glib_none().0,
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src_val.format().into_glib(),
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src_val.into_raw_value(),
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U::default_format().into_glib(),
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dest_val.as_mut_ptr(),
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));
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if ret {
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Some(U::from_raw(U::default_format(), dest_val.assume_init()))
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} else {
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None
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}
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}
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}
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fn convert_default_generic(
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&self,
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src_val: impl FormattedValue,
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dest_format: gst::Format,
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) -> Option<gst::GenericFormattedValue> {
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unsafe {
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let mut dest_val = mem::MaybeUninit::uninit();
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let ret = from_glib(ffi::gst_base_parse_convert_default(
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self.as_ref().to_glib_none().0,
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src_val.format().into_glib(),
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src_val.into_raw_value(),
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dest_format.into_glib(),
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dest_val.as_mut_ptr(),
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));
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if ret {
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Some(gst::GenericFormattedValue::new(
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dest_format,
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dest_val.assume_init(),
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))
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} else {
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None
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}
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}
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}
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#[doc(alias = "gst_base_parse_finish_frame")]
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fn finish_frame(
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&self,
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frame: BaseParseFrame,
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size: u32,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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try_from_glib(ffi::gst_base_parse_finish_frame(
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self.as_ref().to_glib_none().0,
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frame.to_glib_none().0,
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i32::try_from(size).expect("size higher than i32::MAX"),
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))
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}
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}
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}
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impl<O: IsA<BaseParse>> BaseParseExtManual for O {}
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