2020-12-15 10:53:31 +00:00
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// Take a look at the license at the top of the repository in the LICENSE file.
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2018-02-12 08:44:44 +00:00
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2023-01-03 18:58:25 +00:00
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use std::{mem, ptr};
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use glib::{prelude::*, translate::*};
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2020-03-29 19:37:56 +00:00
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2020-11-21 17:59:22 +00:00
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use crate::BaseSrc;
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2018-02-12 08:44:44 +00:00
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2018-12-08 09:22:42 +00:00
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pub trait BaseSrcExtManual: 'static {
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2021-05-02 09:41:18 +00:00
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#[doc(alias = "get_allocator")]
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2021-05-19 20:35:47 +00:00
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#[doc(alias = "gst_base_src_get_allocator")]
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2021-04-11 19:39:50 +00:00
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams);
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2020-03-29 19:37:56 +00:00
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2021-05-02 09:41:18 +00:00
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#[doc(alias = "get_segment")]
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2021-04-11 19:39:50 +00:00
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fn segment(&self) -> gst::Segment;
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2019-01-08 16:13:37 +00:00
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2021-05-19 20:35:47 +00:00
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#[doc(alias = "gst_base_src_query_latency")]
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2021-04-28 22:29:13 +00:00
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fn query_latency(
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&self,
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) -> Result<(bool, Option<gst::ClockTime>, Option<gst::ClockTime>), glib::BoolError>;
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2020-08-11 07:04:09 +00:00
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2020-11-27 13:37:49 +00:00
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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2021-05-19 20:35:47 +00:00
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#[doc(alias = "gst_base_src_new_segment")]
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2020-08-11 07:04:09 +00:00
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fn new_segment(&self, segment: &gst::Segment) -> Result<(), glib::BoolError>;
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2022-05-03 22:04:08 +00:00
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2022-05-05 10:24:46 +00:00
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fn src_pad(&self) -> &gst::Pad;
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2018-02-12 08:44:44 +00:00
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}
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impl<O: IsA<BaseSrc>> BaseSrcExtManual for O {
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2021-04-11 19:39:50 +00:00
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
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2020-03-29 19:37:56 +00:00
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unsafe {
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let mut allocator = ptr::null_mut();
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let mut params = mem::zeroed();
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2020-11-21 17:59:22 +00:00
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ffi::gst_base_src_get_allocator(
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2020-03-29 19:37:56 +00:00
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self.as_ref().to_glib_none().0,
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&mut allocator,
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&mut params,
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);
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(from_glib_full(allocator), params.into())
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}
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}
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2021-04-11 19:39:50 +00:00
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fn segment(&self) -> gst::Segment {
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2018-02-12 08:44:44 +00:00
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unsafe {
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2020-11-21 17:59:22 +00:00
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let src: &ffi::GstBaseSrc = &*(self.as_ptr() as *const _);
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let _guard = crate::utils::MutexGuard::lock(&src.element.object.lock);
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2018-02-12 08:44:44 +00:00
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from_glib_none(&src.segment as *const _)
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}
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}
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2019-01-08 16:13:37 +00:00
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2021-04-28 22:29:13 +00:00
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fn query_latency(
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&self,
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) -> Result<(bool, Option<gst::ClockTime>, Option<gst::ClockTime>), glib::BoolError> {
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2019-12-17 19:00:42 +00:00
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unsafe {
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let mut live = mem::MaybeUninit::uninit();
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let mut min_latency = mem::MaybeUninit::uninit();
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let mut max_latency = mem::MaybeUninit::uninit();
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2020-11-21 17:59:22 +00:00
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let ret = from_glib(ffi::gst_base_src_query_latency(
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2019-12-17 19:00:42 +00:00
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self.as_ref().to_glib_none().0,
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live.as_mut_ptr(),
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min_latency.as_mut_ptr(),
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max_latency.as_mut_ptr(),
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));
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let live = live.assume_init();
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let min_latency = min_latency.assume_init();
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let max_latency = max_latency.assume_init();
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if ret {
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Ok((
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from_glib(live),
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from_glib(min_latency),
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from_glib(max_latency),
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))
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} else {
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2020-12-17 22:38:06 +00:00
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Err(glib::bool_error!("Failed to query latency"))
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2019-12-17 19:00:42 +00:00
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}
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}
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}
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2020-08-11 07:04:09 +00:00
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2020-11-27 13:37:49 +00:00
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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2020-08-11 07:04:09 +00:00
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fn new_segment(&self, segment: &gst::Segment) -> Result<(), glib::BoolError> {
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unsafe {
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2020-11-21 17:59:22 +00:00
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let ret = from_glib(ffi::gst_base_src_new_segment(
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2020-08-11 07:04:09 +00:00
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self.as_ref().to_glib_none().0,
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segment.to_glib_none().0,
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));
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if ret {
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Ok(())
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} else {
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2020-12-17 22:38:06 +00:00
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Err(glib::bool_error!("Failed to configure new segment"))
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2020-08-11 07:04:09 +00:00
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}
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}
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}
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2022-05-03 22:04:08 +00:00
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2022-05-05 10:24:46 +00:00
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fn src_pad(&self) -> &gst::Pad {
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2022-05-03 22:04:08 +00:00
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unsafe {
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2022-05-05 10:24:46 +00:00
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let elt = &*(self.as_ptr() as *const ffi::GstBaseSrc);
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&*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
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2022-05-03 22:04:08 +00:00
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}
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}
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2018-02-12 08:44:44 +00:00
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}
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