forked from mirrors/gstreamer-rs
Add Promise bindings
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5 changed files with 203 additions and 0 deletions
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@ -71,6 +71,7 @@ generate = [
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"Gst.DateTime",
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"Gst.TypeFindProbability",
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"Gst.BufferPoolAcquireFlags",
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"Gst.PromiseResult",
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]
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manual = [
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@ -217,6 +218,11 @@ name = "Gst.TocEntry"
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status = "manual"
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ref_mode = "ref"
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[[object]]
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name = "Gst.Promise"
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status = "manual"
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ref_mode = "ref"
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[[object]]
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name = "Gst.Clock"
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status = "generate"
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@ -1505,6 +1505,76 @@ impl SetValue for ProgressType {
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
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pub enum PromiseResult {
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Pending,
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Interrupted,
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Replied,
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Expired,
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#[doc(hidden)]
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__Unknown(i32),
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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#[doc(hidden)]
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impl ToGlib for PromiseResult {
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type GlibType = ffi::GstPromiseResult;
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fn to_glib(&self) -> ffi::GstPromiseResult {
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match *self {
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PromiseResult::Pending => ffi::GST_PROMISE_RESULT_PENDING,
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PromiseResult::Interrupted => ffi::GST_PROMISE_RESULT_INTERRUPTED,
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PromiseResult::Replied => ffi::GST_PROMISE_RESULT_REPLIED,
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PromiseResult::Expired => ffi::GST_PROMISE_RESULT_EXPIRED,
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PromiseResult::__Unknown(value) => value
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}
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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#[doc(hidden)]
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impl FromGlib<ffi::GstPromiseResult> for PromiseResult {
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fn from_glib(value: ffi::GstPromiseResult) -> Self {
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skip_assert_initialized!();
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match value {
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0 => PromiseResult::Pending,
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1 => PromiseResult::Interrupted,
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2 => PromiseResult::Replied,
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3 => PromiseResult::Expired,
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value => PromiseResult::__Unknown(value),
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}
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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impl StaticType for PromiseResult {
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fn static_type() -> Type {
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unsafe { from_glib(ffi::gst_promise_result_get_type()) }
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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impl<'a> FromValueOptional<'a> for PromiseResult {
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unsafe fn from_value_optional(value: &Value) -> Option<Self> {
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Some(FromValue::from_value(value))
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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impl<'a> FromValue<'a> for PromiseResult {
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unsafe fn from_value(value: &Value) -> Self {
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from_glib(gobject_ffi::g_value_get_enum(value.to_glib_none().0))
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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impl SetValue for PromiseResult {
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unsafe fn set_value(value: &mut Value, this: &Self) {
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gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib())
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}
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}
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#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
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pub enum QOSType {
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Overflow,
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@ -132,6 +132,8 @@ pub use self::enums::PadProbeReturn;
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pub use self::enums::ParseError;
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pub use self::enums::PluginError;
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pub use self::enums::ProgressType;
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub use self::enums::PromiseResult;
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pub use self::enums::QOSType;
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pub use self::enums::Rank;
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pub use self::enums::ResourceError;
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@ -94,6 +94,11 @@ pub use static_caps::*;
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mod static_pad_template;
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pub use static_pad_template::*;
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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mod promise;
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub use promise::*;
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mod element;
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mod bin;
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mod bus;
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120
gstreamer/src/promise.rs
Normal file
120
gstreamer/src/promise.rs
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@ -0,0 +1,120 @@
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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 StructureRef;
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use Structure;
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use ffi;
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use glib::translate::*;
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use glib_ffi;
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use gobject_ffi;
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use std::mem;
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use std::ptr;
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use PromiseResult;
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glib_wrapper! {
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pub struct Promise(Shared<ffi::GstPromise>);
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match fn {
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ref => |ptr| ffi::gst_mini_object_ref(ptr as *mut _) as *mut ffi::GstPromise,
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unref => |ptr| ffi::gst_mini_object_unref(ptr as *mut _),
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get_type => || ffi::gst_promise_get_type(),
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}
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}
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impl Promise {
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn new() -> Promise {
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assert_initialized_main_thread!();
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unsafe {
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from_glib_full(ffi::gst_promise_new())
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn new_with_change_func<F>(func: F) -> Promise
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where F: FnOnce(&Promise) + Send + 'static {
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let user_data: Box<Option<Box<F>>> = Box::new(Some(Box::new(func)));
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unsafe extern "C" fn trampoline<F: FnOnce(&Promise) + Send + 'static>(
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promise: *mut ffi::GstPromise,
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user_data: glib_ffi::gpointer,
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) {
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callback_guard!();
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let user_data: &mut Option<Box<F>> = &mut *(user_data as *mut _);
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let callback = user_data.take().unwrap();
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callback(&from_glib_borrow(promise));
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}
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unsafe extern "C" fn free_user_data<F: FnOnce(&Promise) + Send + 'static>(
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user_data: glib_ffi::gpointer,
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) {
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let _: Box<Option<Box<F>>> = Box::from_raw(user_data as *mut _);
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}
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let trampoline = trampoline::<F>;
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let free_user_data = free_user_data::<F>;
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unsafe {
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from_glib_full(ffi::gst_promise_new_with_change_func(
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Some(trampoline),
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Box::into_raw(user_data) as *mut _,
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Some(free_user_data),
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))
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn expire(&self) {
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unsafe {
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ffi::gst_promise_expire(self.to_glib_none().0);
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn get_reply(&self) -> Option<&StructureRef> {
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unsafe {
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let s = ffi::gst_promise_get_reply(self.to_glib_none().0);
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if s.is_null() {
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None
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} else {
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Some(StructureRef::from_glib_borrow(s))
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}
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn interrupt(&self) {
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unsafe {
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ffi::gst_promise_interrupt(self.to_glib_none().0);
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn reply(&self, s: Structure) {
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unsafe {
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ffi::gst_promise_reply(self.to_glib_none().0, s.into_ptr());
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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pub fn wait(&self) -> PromiseResult {
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unsafe {
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from_glib(ffi::gst_promise_wait(self.to_glib_none().0))
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}
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}
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}
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#[cfg(any(feature = "v1_14", feature = "dox"))]
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impl Default for Promise {
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fn default() -> Self {
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Self::new()
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}
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}
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unsafe impl Send for Promise {}
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unsafe impl Sync for Promise {}
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