forked from mirrors/gstreamer-rs
99 lines
4.9 KiB
Rust
99 lines
4.9 KiB
Rust
// Copyright (C) 2016-2018 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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pub const MAJOR_VERSION: i32 = 1;
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#[cfg(not(feature = "v1_10"))]
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pub const MINOR_VERSION: i32 = 8;
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#[cfg(all(feature = "v1_10", not(feature = "v1_12")))]
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pub const MINOR_VERSION: i32 = 10;
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#[cfg(feature = "v1_12")]
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pub const MINOR_VERSION: i32 = 12;
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#[macro_export]
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macro_rules! gst_plugin_define(
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($name:ident, $description:expr, $plugin_init:ident,
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$version:expr, $license:expr, $source:expr,
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$package:expr, $origin:expr, $release_datetime:expr) => {
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pub mod plugin_desc {
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use $crate::glib::translate::{from_glib_borrow, ToGlib, from_glib};
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#[repr(C)]
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pub struct GstPluginDesc($crate::gst_sys::GstPluginDesc);
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unsafe impl Send for GstPluginDesc {}
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unsafe impl Sync for GstPluginDesc {}
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#[no_mangle]
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#[allow(non_upper_case_globals)]
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pub static gst_plugin_desc: GstPluginDesc = GstPluginDesc($crate::gst_sys::GstPluginDesc {
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major_version: $crate::subclass::MAJOR_VERSION,
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minor_version: $crate::subclass::MINOR_VERSION,
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name: concat!(stringify!($name), "\0") as *const str as *const _,
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description: concat!($description, "\0") as *const str as *const _,
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plugin_init: Some(plugin_init_trampoline),
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version: concat!($version, "\0") as *const str as *const _,
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license: concat!($license, "\0") as *const str as *const _,
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source: concat!($source, "\0") as *const str as *const _,
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package: concat!($package, "\0") as *const str as *const _,
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origin: concat!($origin, "\0") as *const str as *const _,
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release_datetime: concat!($release_datetime, "\0") as *const str as *const _,
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_gst_reserved: [0 as $crate::glib_sys::gpointer; 4],
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});
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pub fn plugin_register_static() -> Result<(), glib::BoolError> {
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unsafe {
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$crate::glib::glib_result_from_gboolean!(
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$crate::gst_sys::gst_plugin_register_static(
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$crate::subclass::MAJOR_VERSION,
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$crate::subclass::MINOR_VERSION,
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concat!(stringify!($name), "\0") as *const str as *const _,
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concat!($description, "\0") as *const str as _,
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Some(plugin_init_trampoline),
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concat!($version, "\0") as *const str as *const _,
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concat!($license, "\0") as *const str as *const _,
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concat!($source, "\0") as *const str as *const _,
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concat!($package, "\0") as *const str as *const _,
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concat!($origin, "\0") as *const str as *const _,
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),
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"Failed to register the plugin"
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)
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}
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}
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#[allow(clippy::missing_safety_doc)]
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unsafe extern "C" fn plugin_init_trampoline(plugin: *mut $crate::gst_sys::GstPlugin) -> $crate::glib_sys::gboolean {
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use std::panic::{self, AssertUnwindSafe};
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let panic_result = panic::catch_unwind(AssertUnwindSafe(|| super::$plugin_init(&from_glib_borrow(plugin))));
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match panic_result {
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Ok(register_result) => match register_result {
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Ok(_) => $crate::glib_sys::GTRUE,
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Err(err) => {
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let cat = $crate::DebugCategory::get("GST_PLUGIN_LOADING").unwrap();
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$crate::gst_error!(cat, "Failed to register plugin: {}", err);
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$crate::glib_sys::GFALSE
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}
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}
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Err(err) => {
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let cat = $crate::DebugCategory::get("GST_PLUGIN_LOADING").unwrap();
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if let Some(cause) = err.downcast_ref::<&str>() {
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$crate::gst_error!(cat, "Failed to initialize plugin due to panic: {}", cause);
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} else if let Some(cause) = err.downcast_ref::<String>() {
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$crate::gst_error!(cat, "Failed to initialize plugin due to panic: {}", cause);
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} else {
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$crate::gst_error!(cat, "Failed to initialize plugin due to panic");
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}
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$crate::glib_sys::GFALSE
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}
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}
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}
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}
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pub use plugin_desc::plugin_register_static;
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};
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);
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