forked from mirrors/gstreamer-rs
meta: Add modules containing the tags
Export the tags as both quark or string Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1387>
This commit is contained in:
parent
22796cee0c
commit
b10f395c2c
5 changed files with 74 additions and 18 deletions
24
Cargo.lock
generated
24
Cargo.lock
generated
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@ -170,7 +170,7 @@ checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
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[[package]]
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name = "cairo-rs"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"bitflags 2.4.2",
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"cairo-sys-rs",
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@ -182,7 +182,7 @@ dependencies = [
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[[package]]
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name = "cairo-sys-rs"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"glib-sys",
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"libc",
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@ -678,7 +678,7 @@ dependencies = [
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[[package]]
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name = "gio"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"futures-channel",
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"futures-core",
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@ -695,7 +695,7 @@ dependencies = [
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[[package]]
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name = "gio-sys"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"glib-sys",
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"gobject-sys",
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@ -724,7 +724,7 @@ dependencies = [
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[[package]]
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name = "glib"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"bitflags 2.4.2",
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"futures-channel",
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@ -745,7 +745,7 @@ dependencies = [
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[[package]]
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name = "glib-macros"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"heck",
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"proc-macro-crate",
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@ -757,7 +757,7 @@ dependencies = [
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[[package]]
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name = "glib-sys"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"libc",
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"system-deps",
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@ -820,7 +820,7 @@ dependencies = [
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[[package]]
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name = "gobject-sys"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"glib-sys",
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"libc",
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@ -1892,7 +1892,7 @@ dependencies = [
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[[package]]
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name = "pango"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"gio",
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"glib",
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@ -1903,7 +1903,7 @@ dependencies = [
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[[package]]
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name = "pango-sys"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"glib-sys",
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"gobject-sys",
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@ -1914,7 +1914,7 @@ dependencies = [
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[[package]]
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name = "pangocairo"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"cairo-rs",
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"glib",
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@ -1926,7 +1926,7 @@ dependencies = [
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[[package]]
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name = "pangocairo-sys"
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version = "0.20.0"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#8e574d3a8e445ff9184b00bd490e6f403cd5aa9c"
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source = "git+https://github.com/gtk-rs/gtk-rs-core?branch=master#03c5a850037c582a0a5fca07f8e1cd1cf924c4fc"
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dependencies = [
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"cairo-sys-rs",
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"glib-sys",
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@ -294,6 +294,14 @@ impl fmt::Debug for AudioLevelMeta {
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}
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}
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pub mod tags {
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gst::impl_meta_tag!(Audio, GST_META_TAG_AUDIO_STR);
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gst::impl_meta_tag!(Channels, GST_META_TAG_AUDIO_CHANNELS_STR);
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gst::impl_meta_tag!(Rate, GST_META_TAG_AUDIO_RATE_STR);
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#[cfg(feature = "v1_24")]
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gst::impl_meta_tag!(DSDPlaneOffsets, GST_META_TAG_DSD_PLANE_OFFSETS_STR);
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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@ -319,6 +327,8 @@ mod tests {
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let cmeta = buffer.meta::<AudioClippingMeta>().unwrap();
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assert_eq!(cmeta.start().try_into(), Ok(Some(start)));
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assert_eq!(cmeta.end().try_into(), Ok(Some(stop)));
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assert!(cmeta.has_tag::<tags::Audio>());
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}
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}
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@ -1161,6 +1161,13 @@ impl fmt::Debug for AncillaryMeta {
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}
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}
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pub mod tags {
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gst::impl_meta_tag!(Video, GST_META_TAG_VIDEO_STR);
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gst::impl_meta_tag!(Size, GST_META_TAG_VIDEO_SIZE_STR);
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gst::impl_meta_tag!(Orientation, GST_META_TAG_VIDEO_ORIENTATION_STR);
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gst::impl_meta_tag!(Colorspace, GST_META_TAG_VIDEO_COLORSPACE_STR);
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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@ -1187,6 +1194,10 @@ mod tests {
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assert_eq!(meta.n_planes(), 1);
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assert_eq!(meta.offset(), &[0]);
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assert_eq!(meta.stride(), &[320 * 4]);
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assert!(meta.has_tag::<gst::meta::tags::Memory>());
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assert!(meta.has_tag::<tags::Video>());
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assert!(meta.has_tag::<tags::Colorspace>());
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assert!(meta.has_tag::<tags::Size>());
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}
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{
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@ -109,6 +109,7 @@ pub use crate::tags::{
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#[cfg(feature = "serde")]
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mod tags_serde;
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#[macro_use]
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pub mod meta;
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#[cfg(feature = "v1_16")]
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#[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
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@ -339,7 +340,7 @@ pub mod prelude {
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gobject::GObjectExtManualGst,
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memory::MemoryType,
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message::MessageErrorDomain,
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meta::{MetaAPI, MetaAPIExt},
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meta::{MetaAPI, MetaAPIExt, MetaTag},
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miniobject::IsMiniObject,
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object::GstObjectExtManual,
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pad::PadExtManual,
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@ -206,7 +206,12 @@ impl<'a, T> MetaRef<'a, T> {
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#[inline]
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#[doc(alias = "gst_meta_api_type_has_tag")]
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pub fn has_tag(&self, tag: glib::Quark) -> bool {
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pub fn has_tag<MT: MetaTag>(&self) -> bool {
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self.has_tag_by_quark(MT::quark())
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}
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#[inline]
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pub fn has_tag_by_quark(&self, tag: glib::Quark) -> bool {
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unsafe {
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from_glib(ffi::gst_meta_api_type_has_tag(
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self.api().into_glib(),
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@ -457,8 +462,13 @@ impl<'a, T, U> MetaRefMut<'a, T, U> {
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#[inline]
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#[doc(alias = "gst_meta_api_type_has_tag")]
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pub fn has_tag(&self, tag: glib::Quark) -> bool {
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self.as_meta_ref().has_tag(tag)
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pub fn has_tag<MT: MetaTag>(&self) -> bool {
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self.as_meta_ref().has_tag::<MT>()
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}
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#[inline]
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pub fn has_tag_by_quark(&self, tag: glib::Quark) -> bool {
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self.as_meta_ref().has_tag_by_quark(tag)
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}
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#[inline]
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@ -1050,6 +1060,30 @@ impl CustomMeta {
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}
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}
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pub trait MetaTag {
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const TAG_NAME: &'static glib::GStr;
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fn quark() -> glib::Quark;
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}
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#[macro_export]
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macro_rules! impl_meta_tag(
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($name:ident, $gst_tag:ident) => {
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pub enum $name {}
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impl $crate::meta::MetaTag for $name {
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const TAG_NAME: &'static glib::GStr = unsafe { glib::GStr::from_utf8_with_nul_unchecked(ffi::$gst_tag) };
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fn quark() -> glib::Quark {
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static QUARK: std::sync::OnceLock<glib::Quark> = std::sync::OnceLock::new();
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*QUARK.get_or_init(|| glib::Quark::from_static_str(Self::TAG_NAME))
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}
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}
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};
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);
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pub mod tags {
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impl_meta_tag!(Memory, GST_META_TAG_MEMORY_STR);
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impl_meta_tag!(MemoryReference, GST_META_TAG_MEMORY_REFERENCE_STR);
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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@ -1086,8 +1120,8 @@ mod tests {
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.collect::<Vec<_>>();
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assert_eq!(metas.len(), 1);
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assert_eq!(metas[0].parent().as_ptr(), parent.as_ptr());
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assert!(!metas[0].has_tag(glib::Quark::from_str("video")));
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assert!(metas[0].has_tag(glib::Quark::from_str("memory-reference")));
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assert!(!metas[0].has_tag_by_quark(glib::Quark::from_str("video")));
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assert!(metas[0].has_tag::<tags::MemoryReference>());
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assert_eq!(metas[0].tags().len(), 1);
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assert_eq!(metas[0].tags(), metas[0].upcast_ref().tags());
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