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video-info: Add API for creating a builder from an existing VideoInfo

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1666>
This commit is contained in:
Sebastian Dröge 2025-03-17 10:15:47 +02:00 committed by GStreamer Marge Bot
parent bd4debd9a4
commit 31d99a91c6
1 changed files with 28 additions and 5 deletions
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33
gstreamer-video/src/video_info.rs
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@ -307,7 +307,7 @@ pub struct VideoInfoBuilder<'a> {
size: Option<usize>, size: Option<usize>,
views: Option<u32>, views: Option<u32>,
chroma_site: Option<crate::VideoChromaSite>, chroma_site: Option<crate::VideoChromaSite>,
colorimetry: Option<&'a crate::VideoColorimetry>, colorimetry: Option<crate::VideoColorimetry>,
par: Option<gst::Fraction>, par: Option<gst::Fraction>,
fps: Option<gst::Fraction>, fps: Option<gst::Fraction>,
offset: Option<&'a [usize]>, offset: Option<&'a [usize]>,
@ -559,16 +559,16 @@ impl<'a> VideoInfoBuilder<'a> {
} }
} }
pub fn colorimetry(self, colorimetry: &'a crate::VideoColorimetry) -> VideoInfoBuilder<'a> { pub fn colorimetry(self, colorimetry: &crate::VideoColorimetry) -> VideoInfoBuilder<'a> {
Self { Self {
colorimetry: Some(colorimetry), colorimetry: Some(*colorimetry),
..self ..self
} }
} }
pub fn colorimetry_if( pub fn colorimetry_if(
self, self,
colorimetry: &'a crate::VideoColorimetry, colorimetry: &crate::VideoColorimetry,
predicate: bool, predicate: bool,
) -> VideoInfoBuilder<'a> { ) -> VideoInfoBuilder<'a> {
if predicate { if predicate {
@ -580,7 +580,7 @@ impl<'a> VideoInfoBuilder<'a> {
pub fn colorimetry_if_some( pub fn colorimetry_if_some(
self, self,
colorimetry: Option<&'a crate::VideoColorimetry>, colorimetry: Option<&crate::VideoColorimetry>,
) -> VideoInfoBuilder<'a> { ) -> VideoInfoBuilder<'a> {
if let Some(colorimetry) = colorimetry { if let Some(colorimetry) = colorimetry {
self.colorimetry(colorimetry) self.colorimetry(colorimetry)
@ -790,6 +790,29 @@ impl VideoInfo {
} }
} }
pub fn builder_from_info(info: &VideoInfo) -> VideoInfoBuilder<'_> {
assert_initialized_main_thread!();
VideoInfoBuilder {
format: info.format(),
width: info.width(),
height: info.height(),
interlace_mode: Some(info.interlace_mode()),
flags: Some(info.flags()),
size: Some(info.size()),
views: Some(info.views()),
chroma_site: Some(info.chroma_site()),
colorimetry: Some(info.colorimetry()),
par: Some(info.par()),
fps: Some(info.fps()),
offset: Some(info.offset()),
stride: Some(info.stride()),
multiview_mode: Some(info.multiview_mode()),
multiview_flags: Some(info.multiview_flags()),
field_order: Some(info.field_order()),
}
}
#[inline] #[inline]
pub fn is_valid(&self) -> bool { pub fn is_valid(&self) -> bool {
!self.0.finfo.is_null() && self.0.width > 0 && self.0.height > 0 && self.0.size > 0 !self.0.finfo.is_null() && self.0.width > 0 && self.0.height > 0 && self.0.size > 0