1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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. use ffi; use glib::translate::*; use glib_ffi; use gobject_ffi; use std::mem; use std::ptr; glib_wrapper! { /// Opaque structure. pub struct ParseContext(Boxed<ffi::GstParseContext>); match fn { copy => |ptr| { gobject_ffi::g_boxed_copy(ffi::gst_parse_context_get_type(), ptr as *mut _) as *mut ffi::GstParseContext }, free => |ptr| { gobject_ffi::g_boxed_free(ffi::gst_parse_context_get_type(), ptr as *mut _) }, get_type => || ffi::gst_parse_context_get_type(), } } impl ParseContext { /// Allocates a parse context for use with `gst_parse_launch_full` or /// `gst_parse_launchv_full`. /// /// Free-function: gst_parse_context_free /// /// # Returns /// /// a newly-allocated parse context. Free /// with `ParseContext::free` when no longer needed. pub fn new() -> Self { unsafe { from_glib_full(ffi::gst_parse_context_new()) } } /// Retrieve missing elements from a previous run of `gst_parse_launch_full` /// or `gst_parse_launchv_full`. Will only return results if an error code /// of `ParseError::NoSuchElement` was returned. /// /// # Returns /// /// a /// `None`-terminated array of element factory name strings of missing /// elements. Free with `g_strfreev` when no longer needed. pub fn get_missing_elements(&self) -> Vec<String> { unsafe { FromGlibPtrContainer::from_glib_full(ffi::gst_parse_context_get_missing_elements( mut_override(self.to_glib_none().0), )) } } } impl Default for ParseContext { fn default() -> Self { Self::new() } }