gstreamer-rs/gstreamer-editing-services/src/lib.rs
2019-04-15 19:19:19 +03:00

90 lines
2.3 KiB
Rust

// Copyright (C) 2018 Thibault Saunier <tsaunier@igalia.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern crate libc;
use std::sync::{Once, ONCE_INIT};
extern crate gio_sys;
extern crate glib_sys;
extern crate gobject_sys;
extern crate gstreamer as gst;
extern crate gstreamer_base as gst_base;
extern crate gstreamer_base_sys as gst_base_sys;
extern crate gstreamer_editing_services_sys as ges_sys;
extern crate gstreamer_pbutils as gst_pbutils;
extern crate gstreamer_pbutils_sys as gst_pbutils_sys;
extern crate gstreamer_sys as gst_sys;
use glib::translate::from_glib;
#[macro_use]
extern crate glib;
extern crate gio;
static GES_INIT: Once = ONCE_INIT;
pub use glib::{
BoolError, Cast, Continue, Error, IsA, StaticType, ToValue, Type, TypedValue, Value,
};
pub fn init() -> Result<(), BoolError> {
if gst::init().is_err() {
return Err(glib_bool_error!("Could not initialize GStreamer."));
}
unsafe {
if from_glib(ges_sys::ges_init()) {
Ok(())
} else {
Err(glib_bool_error!("Could not initialize GES."))
}
}
}
pub unsafe fn deinit() {
ges_sys::ges_deinit();
}
macro_rules! assert_initialized_main_thread {
() => {
if unsafe { ::gst_sys::gst_is_initialized() } != ::glib_sys::GTRUE {
panic!("GStreamer has not been initialized. Call `gst::init` first.");
}
::GES_INIT.call_once(|| {
unsafe { ::ges_sys::ges_init() };
});
};
}
macro_rules! skip_assert_initialized {
() => {};
}
#[allow(clippy::unreadable_literal)]
#[allow(clippy::too_many_arguments)]
#[allow(clippy::match_same_arms)]
#[rustfmt::skip]
mod auto;
pub use auto::*;
#[macro_use]
extern crate bitflags;
mod timeline_element;
pub use timeline_element::TimelineElementExtManual;
// Re-export all the traits in a prelude module, so that applications
// can always "use gst::prelude::*" without getting conflicts
pub mod prelude {
pub use glib::prelude::*;
pub use gst::prelude::*;
pub use timeline_element::TimelineElementExtManual;
pub use auto::traits::*;
}