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gstreamer: Move various MetaAPI methods to an extension trait

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These don't make sense to implement any different than the default.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1284>
This commit is contained in:
Sebastian Dröge 2023-06-30 08:50:03 +03:00
parent af57f6f17b
commit 12bed29738
2 changed files with 19 additions and 2 deletions
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5
gstreamer/src/lib.rs
View file

@ -104,7 +104,8 @@ pub mod meta;
#[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
pub use crate::meta::MetaSeqnum;
pub use crate::meta::{
Meta, MetaAPI, MetaRef, MetaRefMut, ParentBufferMeta, ProtectionMeta, ReferenceTimestampMeta,
Meta, MetaAPI, MetaAPIExt, MetaRef, MetaRefMut, ParentBufferMeta, ProtectionMeta,
ReferenceTimestampMeta,
};
pub mod buffer;
pub use crate::buffer::{
@ -322,7 +323,7 @@ pub mod prelude {
gobject::GObjectExtManualGst,
memory::MemoryType,
message::MessageErrorDomain,
meta::MetaAPI,
meta::{MetaAPI, MetaAPIExt},
miniobject::IsMiniObject,
object::GstObjectExtManual,
pad::PadExtManual,

16
gstreamer/src/meta.rs
View file

@ -14,7 +14,23 @@ pub unsafe trait MetaAPI: Sync + Send + Sized {
#[doc(alias = "get_meta_api")]
fn meta_api() -> glib::Type;
}
pub trait MetaAPIExt: MetaAPI {
#[doc(alias = "gst_meta_api_type_has_tag")]
fn has_tag(&self, tag: glib::Quark) -> bool;
#[doc(alias = "gst_meta_api_type_get_tags")]
fn tags(&self) -> &[glib::GStringPtr];
unsafe fn from_ptr(buffer: &BufferRef, ptr: *const Self::GstType) -> MetaRef<Self>;
unsafe fn from_mut_ptr<T>(
buffer: &mut BufferRef,
ptr: *mut Self::GstType,
) -> MetaRefMut<Self, T>;
}
impl<A: MetaAPI> MetaAPIExt for A {
fn has_tag(&self, tag: glib::Quark) -> bool {
unsafe {
from_glib(ffi::gst_meta_api_type_has_tag(