mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-05-13 22:02:41 +00:00
003554876c
Currently only covers what is needed to keep code compiling, plus everything caps/structure/tags related. This avoids unnecessary heap allocations for adding the NUL-terminator of C strings, and especially makes caps/structure handling as efficient as in C. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1190>
77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use std::ffi::CStr;
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use glib::translate::*;
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use crate::{
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DeviceProviderFactory, ELEMENT_METADATA_AUTHOR, ELEMENT_METADATA_DESCRIPTION,
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ELEMENT_METADATA_DOC_URI, ELEMENT_METADATA_ICON_NAME, ELEMENT_METADATA_KLASS,
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ELEMENT_METADATA_LONGNAME,
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};
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impl DeviceProviderFactory {
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#[doc(alias = "gst_device_provider_factory_list_get_device_providers")]
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pub fn factories(minrank: crate::Rank) -> glib::List<DeviceProviderFactory> {
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assert_initialized_main_thread!();
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unsafe {
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FromGlibPtrContainer::from_glib_full(
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ffi::gst_device_provider_factory_list_get_device_providers(minrank.into_glib()),
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)
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}
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}
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#[doc(alias = "gst_device_provider_factory_get_metadata")]
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#[doc(alias = "get_metadata")]
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pub fn metadata(&self, key: &str) -> Option<&str> {
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unsafe {
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let ptr = ffi::gst_device_provider_factory_get_metadata(
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self.to_glib_none().0,
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key.to_glib_none().0,
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);
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if ptr.is_null() {
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None
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} else {
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Some(CStr::from_ptr(ptr).to_str().unwrap())
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}
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}
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}
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#[doc(alias = "get_longname")]
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#[doc(alias = "gst_device_provider_factory_get_longname")]
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pub fn longname(&self) -> &str {
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self.metadata(ELEMENT_METADATA_LONGNAME).unwrap()
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}
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#[doc(alias = "get_klass")]
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#[doc(alias = "gst_device_provider_factory_get_klass")]
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pub fn klass(&self) -> &str {
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self.metadata(ELEMENT_METADATA_KLASS).unwrap()
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}
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#[doc(alias = "get_description")]
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#[doc(alias = "gst_device_provider_factory_get_description")]
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pub fn description(&self) -> &str {
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self.metadata(ELEMENT_METADATA_DESCRIPTION).unwrap()
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}
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#[doc(alias = "get_author")]
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#[doc(alias = "gst_device_provider_factory_get_author")]
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pub fn author(&self) -> &str {
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self.metadata(ELEMENT_METADATA_AUTHOR).unwrap()
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}
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#[doc(alias = "get_documentation_uri")]
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#[doc(alias = "gst_device_provider_factory_get_documentation_uri")]
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pub fn documentation_uri(&self) -> Option<&str> {
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self.metadata(ELEMENT_METADATA_DOC_URI)
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}
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#[doc(alias = "get_icon_name")]
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#[doc(alias = "gst_device_provider_factory_get_icon_name")]
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pub fn icon_name(&self) -> Option<&str> {
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self.metadata(ELEMENT_METADATA_ICON_NAME)
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}
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}
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