gstreamer/
parse_context.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use crate::ffi;
4use glib::translate::*;
5
6glib::wrapper! {
7    /// Opaque structure.
8    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
9    #[doc(alias = "GstParseContext")]
10    pub struct ParseContext(Boxed<ffi::GstParseContext>);
11
12    match fn {
13        copy => |ptr| ffi::gst_parse_context_copy(ptr),
14        free => |ptr| ffi::gst_parse_context_free(ptr),
15        type_ => || ffi::gst_parse_context_get_type(),
16    }
17}
18
19unsafe impl Send for ParseContext {}
20unsafe impl Sync for ParseContext {}
21
22impl ParseContext {
23    /// Allocates a parse context for use with `gst_parse_launch_full()` or
24    /// `gst_parse_launchv_full()`.
25    ///
26    /// Free-function: gst_parse_context_free
27    ///
28    /// # Returns
29    ///
30    /// a newly-allocated parse context. Free
31    ///  with `gst_parse_context_free()` when no longer needed.
32    #[doc(alias = "gst_parse_context_new")]
33    pub fn new() -> Self {
34        unsafe { from_glib_full(ffi::gst_parse_context_new()) }
35    }
36
37    /// Retrieve missing elements from a previous run of `gst_parse_launch_full()`
38    /// or `gst_parse_launchv_full()`. Will only return results if an error code
39    /// of [`ParseError::NoSuchElement`][crate::ParseError::NoSuchElement] was returned.
40    ///
41    /// # Returns
42    ///
43    /// a
44    ///  [`None`]-terminated array of element factory name strings of missing
45    ///  elements. Free with `g_strfreev()` when no longer needed.
46    #[doc(alias = "get_missing_elements")]
47    #[doc(alias = "gst_parse_context_get_missing_elements")]
48    pub fn missing_elements(&self) -> Vec<String> {
49        unsafe {
50            FromGlibPtrContainer::from_glib_full(ffi::gst_parse_context_get_missing_elements(
51                mut_override(self.to_glib_none().0),
52            ))
53        }
54    }
55}
56
57impl Default for ParseContext {
58    fn default() -> Self {
59        Self::new()
60    }
61}
gstreamer/parse_context.rs

gstreamer/
parse_context.rs
