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https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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Add getters for the BaseSrc/Sink/Transform configured segment
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5 changed files with 121 additions and 0 deletions
28
gstreamer-base/src/base_sink.rs
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28
gstreamer-base/src/base_sink.rs
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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ffi;
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use glib::IsA;
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use glib::translate::*;
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use gst;
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use BaseSink;
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pub trait BaseSinkExtManual {
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fn get_segment(&self) -> gst::Segment;
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}
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impl<O: IsA<BaseSink>> BaseSinkExtManual for O {
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fn get_segment(&self) -> gst::Segment {
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unsafe {
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let stash = self.to_glib_none();
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let sink: &ffi::GstBaseSink = &*stash.0;
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::utils::MutexGuard::lock(&sink.element.object.lock);
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from_glib_none(&sink.segment as *const _)
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}
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}
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}
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28
gstreamer-base/src/base_src.rs
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28
gstreamer-base/src/base_src.rs
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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ffi;
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use glib::IsA;
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use glib::translate::*;
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use gst;
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use BaseSrc;
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pub trait BaseSrcExtManual {
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fn get_segment(&self) -> gst::Segment;
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}
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impl<O: IsA<BaseSrc>> BaseSrcExtManual for O {
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fn get_segment(&self) -> gst::Segment {
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unsafe {
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let stash = self.to_glib_none();
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let src: &ffi::GstBaseSrc = &*stash.0;
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::utils::MutexGuard::lock(&src.element.object.lock);
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from_glib_none(&src.segment as *const _)
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}
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}
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}
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28
gstreamer-base/src/base_transform.rs
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28
gstreamer-base/src/base_transform.rs
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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ffi;
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use glib::IsA;
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use glib::translate::*;
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use gst;
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use BaseTransform;
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pub trait BaseTransformExtManual {
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fn get_segment(&self) -> gst::Segment;
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}
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impl<O: IsA<BaseTransform>> BaseTransformExtManual for O {
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fn get_segment(&self) -> gst::Segment {
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unsafe {
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let stash = self.to_glib_none();
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let trans: &ffi::GstBaseTransform = &*stash.0;
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::utils::MutexGuard::lock(&trans.element.object.lock);
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from_glib_none(&trans.segment as *const _)
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}
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}
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}
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@ -45,6 +45,9 @@ pub use functions::*;
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mod adapter;
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mod flow_combiner;
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pub use flow_combiner::*;
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mod base_src;
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mod base_sink;
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mod base_transform;
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// Re-export all the traits in a prelude module, so that applications
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// can always "use gst::prelude::*" without getting conflicts
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@ -53,4 +56,9 @@ pub mod prelude {
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pub use gst::prelude::*;
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pub use auto::traits::*;
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pub use base_src::BaseSrcExtManual;
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pub use base_sink::BaseSinkExtManual;
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pub use base_transform::BaseTransformExtManual;
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}
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mod utils;
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29
gstreamer-base/src/utils.rs
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29
gstreamer-base/src/utils.rs
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// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use glib::translate::mut_override;
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use glib_ffi;
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pub struct MutexGuard<'a>(&'a glib_ffi::GMutex);
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impl<'a> MutexGuard<'a> {
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pub fn lock(mutex: &'a glib_ffi::GMutex) -> Self {
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unsafe {
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glib_ffi::g_mutex_lock(mut_override(mutex));
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}
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MutexGuard(mutex)
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}
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}
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impl<'a> Drop for MutexGuard<'a> {
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fn drop(&mut self) {
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unsafe {
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glib_ffi::g_mutex_unlock(mut_override(self.0));
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}
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}
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}
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