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video: Provide manual to_string and display for VideoChromaSite

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This function was named wrong before 1.20, and its return transfer type
changed from none to full. To provide

Note that, when 1.20 Gir files are imported, this `version` override in
gstreamer-video/Gir.toml wil come into effect and create a Display trait
for us (without version constraint). At that point the manual Display
impl should be removed, but the manual to_string implementation remains.
This commit is contained in:
Marijn Suijten 2020-12-12 19:53:55 +01:00
parent a215610167
commit 85e46f39f3
2 changed files with 22 additions and 4 deletions
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5
gstreamer-video/Gir.toml
View file

@ -481,6 +481,11 @@ status = "generate"
[[object.function]]
name = "to_string"
rename = "to_str"
# Manual function for < v1_20:
manual = true
# Always generate the trait, without version constraint:
version = "1.8"
[object.function.return]
nullable = false

21
gstreamer-video/src/video_info.rs
View file

@ -175,6 +175,22 @@ impl fmt::Display for crate::VideoColorimetry {
}
}
impl crate::VideoChromaSite {
pub fn to_str(self) -> glib::GString {
assert_initialized_main_thread!();
unsafe {
cfg_if::cfg_if! {
if #[cfg(feature = "v1_20")] {
from_glib_full(ffi::gst_video_chroma_site_to_string(self.to_glib()))
} else {
from_glib_none(ffi::gst_video_chroma_to_string(self.to_glib()))
}
}
}
}
}
impl str::FromStr for crate::VideoChromaSite {
type Err = glib::error::BoolError;
@ -201,10 +217,7 @@ impl str::FromStr for crate::VideoChromaSite {
impl fmt::Display for crate::VideoChromaSite {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let s = unsafe {
glib::GString::from_glib_full(ffi::gst_video_chroma_to_string(self.to_glib()))
};
f.write_str(&s)
f.write_str(&self.to_str())
}
}