Provide a more convenient function for setting other fields on message/event builders

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1372>

gstreamer-video/src/video_event.rs

@@ -26,19 +26,28 @@ macro_rules! event_builder_generic_impl {
             }
         }
 
+        pub fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+            let mut other_fields = self.other_fields;
+            other_fields.push((name, value.to_send_value()));
+
+            Self {
+                other_fields,
+                ..self
+            }
+        }
+
+        #[deprecated = "use build.other_field() instead"]
         pub fn other_fields(
             self,
             other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))],
         ) -> Self {
-            Self {
-                other_fields: self
-                    .other_fields
-                    .iter()
-                    .cloned()
-                    .chain(other_fields.iter().cloned())
-                    .collect(),
-                ..self
+            let mut s = self;
+
+            for (name, value) in other_fields {
+                s = s.other_field(name, value.to_send_value());
             }
+
+            s
         }
 
         #[must_use = "Building the event without using it has no effect"]
@@ -61,7 +70,7 @@ macro_rules! event_builder_generic_impl {
                     );
 
                     for (k, v) in self.other_fields {
-                        s.set_value(k, v.to_send_value());
+                        s.set_value(k, v);
                     }
                 }
 
@@ -75,7 +84,7 @@ macro_rules! event_builder_generic_impl {
 pub struct DownstreamForceKeyUnitEventBuilder<'a> {
     seqnum: Option<gst::Seqnum>,
     running_time_offset: Option<i64>,
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
     timestamp: Option<gst::ClockTime>,
     stream_time: Option<gst::ClockTime>,
     running_time: Option<gst::ClockTime>,
@@ -193,7 +202,7 @@ impl DownstreamForceKeyUnitEvent {
 pub struct UpstreamForceKeyUnitEventBuilder<'a> {
     seqnum: Option<gst::Seqnum>,
     running_time_offset: Option<i64>,
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
     running_time: Option<gst::ClockTime>,
     all_headers: bool,
     count: u32,
@@ -306,7 +315,7 @@ impl ForceKeyUnitEvent {
 pub struct StillFrameEventBuilder<'a> {
     seqnum: Option<gst::Seqnum>,
     running_time_offset: Option<i64>,
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
     in_still: bool,
 }
 
@@ -364,7 +373,7 @@ macro_rules! nav_event_builder {
         pub struct $builder<'a> {
             seqnum: Option<gst::Seqnum>,
             running_time_offset: Option<i64>,
-            other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+            other_fields: Vec<(&'a str, glib::SendValue)>,
             $($field_names: $field_types,)*
             #[cfg(feature = "v1_22")]
             #[cfg_attr(docsrs, doc(cfg(feature = "v1_22")))]
@@ -495,7 +504,7 @@ nav_event_builder!(
 pub struct CommandEventBuilder<'a> {
     seqnum: Option<gst::Seqnum>,
     running_time_offset: Option<i64>,
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
     command: NavigationCommand,
     #[cfg(feature = "v1_22")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v1_22")))]

gstreamer-video/src/video_message.rs

@@ -29,6 +29,14 @@ macro_rules! message_builder_generic_impl {
             }
         }
 
+        pub fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+            Self {
+                builder: self.builder.other_field(name, value),
+                ..self
+            }
+        }
+
+        #[deprecated = "use builder.other_field() instead"]
         #[allow(clippy::needless_update)]
         pub fn other_fields(
             self,
@@ -59,7 +67,7 @@ macro_rules! message_builder_generic_impl {
                             gst::StructureRef::from_glib_borrow_mut(structure as *mut _);
 
                         for (k, v) in self.builder.other_fields {
-                            structure.set_value(k, v.to_send_value());
+                            structure.set_value(k, v);
                         }
                     }
                 }
@@ -71,10 +79,9 @@ macro_rules! message_builder_generic_impl {
 }
 
 struct MessageBuilder<'a> {
-    pub src: Option<Object>,
-    pub seqnum: Option<Seqnum>,
-    #[allow(unused)]
-    pub other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    src: Option<Object>,
+    seqnum: Option<Seqnum>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
 }
 
 impl<'a> MessageBuilder<'a> {
@@ -101,17 +108,25 @@ impl<'a> MessageBuilder<'a> {
         }
     }
 
-    pub fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+    fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+        let mut other_fields = self.other_fields;
+        other_fields.push((name, value.to_send_value()));
+
         Self {
-            other_fields: self
-                .other_fields
-                .iter()
-                .cloned()
-                .chain(other_fields.iter().cloned())
-                .collect(),
+            other_fields,
             ..self
         }
     }
+
+    fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+        let mut s = self;
+
+        for (name, value) in other_fields {
+            s = s.other_field(name, value.to_send_value());
+        }
+
+        s
+    }
 }
 
 #[must_use = "The builder must be built to be used"]

gstreamer/src/event.rs

@@ -2040,7 +2040,7 @@ impl std::fmt::Debug for Other<Event> {
 struct EventBuilder<'a> {
     seqnum: Option<Seqnum>,
     running_time_offset: Option<i64>,
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
 }
 
 impl<'a> EventBuilder<'a> {
@@ -2066,17 +2066,25 @@ impl<'a> EventBuilder<'a> {
         }
     }
 
-    fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+    fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+        let mut other_fields = self.other_fields;
+        other_fields.push((name, value.to_send_value()));
+
         Self {
-            other_fields: self
-                .other_fields
-                .iter()
-                .cloned()
-                .chain(other_fields.iter().cloned())
-                .collect(),
+            other_fields,
             ..self
         }
     }
+
+    fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+        let mut s = self;
+
+        for (name, value) in other_fields {
+            s = s.other_field(name, value.to_send_value());
+        }
+
+        s
+    }
 }
 
 macro_rules! event_builder_generic_impl {
@@ -2099,6 +2107,15 @@ macro_rules! event_builder_generic_impl {
             }
         }
 
+        #[allow(clippy::needless_update)]
+        pub fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+            Self {
+                builder: self.builder.other_field(name, value),
+                ..self
+            }
+        }
+
+        #[deprecated = "use build.other_field() instead"]
         #[allow(clippy::needless_update)]
         pub fn other_fields(
             self,
@@ -2129,7 +2146,7 @@ macro_rules! event_builder_generic_impl {
                     ));
 
                     for (k, v) in self.builder.other_fields {
-                        s.set_value(k, v.to_send_value());
+                        s.set_value(k, v);
                     }
                 }
 
@@ -2947,6 +2964,7 @@ mod tests {
     use super::*;
 
     #[test]
+    #[allow(deprecated)]
     fn test_simple() {
         crate::init().unwrap();
 
@@ -2975,7 +2993,7 @@ mod tests {
 
         // Event with arguments
         let flush_stop_evt = FlushStop::builder(true)
-            .other_fields(&[("extra-field", &true)])
+            .other_field("extra-field", true)
             .build();
         match flush_stop_evt.view() {
             EventView::FlushStop(flush_stop_evt) => {

gstreamer/src/message.rs

@@ -2474,8 +2474,7 @@ impl std::fmt::Debug for InstantRateRequest<Message> {
 struct MessageBuilder<'a> {
     src: Option<Object>,
     seqnum: Option<Seqnum>,
-    #[allow(unused)]
-    other_fields: Vec<(&'a str, &'a (dyn ToSendValue + Sync))>,
+    other_fields: Vec<(&'a str, glib::SendValue)>,
 }
 
 impl<'a> MessageBuilder<'a> {
@@ -2501,17 +2500,25 @@ impl<'a> MessageBuilder<'a> {
         }
     }
 
-    fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+    fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+        let mut other_fields = self.other_fields;
+        other_fields.push((name, value.to_send_value()));
+
         Self {
-            other_fields: self
-                .other_fields
-                .iter()
-                .cloned()
-                .chain(other_fields.iter().cloned())
-                .collect(),
+            other_fields,
             ..self
         }
     }
+
+    fn other_fields(self, other_fields: &[(&'a str, &'a (dyn ToSendValue + Sync))]) -> Self {
+        let mut s = self;
+
+        for (name, value) in other_fields {
+            s = s.other_field(name, value.to_send_value());
+        }
+
+        s
+    }
 }
 
 macro_rules! message_builder_generic_impl {
@@ -2533,6 +2540,15 @@ macro_rules! message_builder_generic_impl {
             }
         }
 
+        #[allow(clippy::needless_update)]
+        pub fn other_field(self, name: &'a str, value: impl ToSendValue) -> Self {
+            Self {
+                builder: self.builder.other_field(name, value),
+                ..self
+            }
+        }
+
+        #[deprecated = "use build.other_field() instead"]
         #[allow(clippy::needless_update)]
         pub fn other_fields(
             self,
@@ -2561,7 +2577,7 @@ macro_rules! message_builder_generic_impl {
                         let structure = StructureRef::from_glib_borrow_mut(structure as *mut _);
 
                         for (k, v) in self.builder.other_fields {
-                            structure.set_value(k, v.to_send_value());
+                            structure.set_value(k, v);
                         }
                     }
                 }
@@ -2997,7 +3013,7 @@ pub struct StreamStatusBuilder<'a> {
     builder: MessageBuilder<'a>,
     type_: crate::StreamStatusType,
     owner: &'a crate::Element,
-    status_object: Option<&'a (dyn glib::ToSendValue + Sync)>,
+    status_object: Option<glib::SendValue>,
 }
 
 impl<'a> StreamStatusBuilder<'a> {
@@ -3011,9 +3027,9 @@ impl<'a> StreamStatusBuilder<'a> {
         }
     }
 
-    pub fn status_object(self, status_object: &'a (dyn glib::ToSendValue + Sync)) -> Self {
+    pub fn status_object(self, status_object: impl ToSendValue) -> Self {
         Self {
-            status_object: Some(status_object),
+            status_object: Some(status_object.to_send_value()),
             ..self
         }
     }
@@ -3021,11 +3037,8 @@ impl<'a> StreamStatusBuilder<'a> {
     message_builder_generic_impl!(|s: &mut Self, src| {
         let msg =
             ffi::gst_message_new_stream_status(src, s.type_.into_glib(), s.owner.to_glib_none().0);
-        if let Some(status_object) = s.status_object {
-            ffi::gst_message_set_stream_status_object(
-                msg,
-                status_object.to_send_value().to_glib_none().0,
-            );
+        if let Some(ref status_object) = s.status_object {
+            ffi::gst_message_set_stream_status_object(msg, status_object.to_glib_none().0);
         }
         msg
     });
@@ -3533,7 +3546,7 @@ impl<'a> DeviceRemovedBuilder<'a> {
 pub struct PropertyNotifyBuilder<'a> {
     builder: MessageBuilder<'a>,
     property_name: &'a str,
-    value: Option<&'a (dyn glib::ToSendValue + Sync)>,
+    value: Option<glib::SendValue>,
 }
 
 impl<'a> PropertyNotifyBuilder<'a> {
@@ -3546,23 +3559,19 @@ impl<'a> PropertyNotifyBuilder<'a> {
         }
     }
 
-    pub fn value(self, value: &'a (dyn glib::ToSendValue + Sync)) -> Self {
+    pub fn value(self, value: impl ToSendValue) -> Self {
         Self {
-            value: Some(value),
+            value: Some(value.to_send_value()),
             ..self
         }
     }
 
     message_builder_generic_impl!(|s: &mut Self, src| {
-        let val = s.value.map(|v| v.to_send_value());
+        let v = s.value.take();
         ffi::gst_message_new_property_notify(
             src,
             s.property_name.to_glib_none().0,
-            mut_override(
-                val.as_ref()
-                    .map(|v| v.to_glib_none().0)
-                    .unwrap_or(ptr::null()),
-            ),
+            v.as_ref().map(|v| v.as_ptr()).unwrap_or(ptr::null_mut()),
         )
     });
 }
@@ -3793,6 +3802,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(deprecated)]
     fn test_other_fields() {
         crate::init().unwrap();
 
@@ -3812,7 +3822,7 @@ mod tests {
         }
 
         let buffering_msg = Buffering::builder(42)
-            .other_fields(&[("extra-field", &true)])
+            .other_field("extra-field", true)
             .build();
         match buffering_msg.view() {
             MessageView::Buffering(buffering_msg) => {