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Mathieu Duponchelle authored Nov 19, 2017 and Sebastian Dröge committed Feb 22, 2018

Fixes https://github.com/sdroege/gstreamer-rs/pull/73

François Laignel authored Feb 15, 2018 and Sebastian Dröge committed Feb 16, 2018

Allow instantiating and dereferencing concrete queries. The motivation
for this proposal is to allow the following usability enhancements:

- Concrete queries mutability guaranteed by the borrow checker,
including for generic functions:
``` rust
    let mut p = Query::new_position(::Format::Time);
    p.get_mut_structure().set("check_mut", &true);
```

- Concrete queries functions available in place:
``` rust
    let mut q = gst::Query::new_duration(gst::Format::Time);
    let duration = if pipeline.query(&mut q) {
        Some(q.get_result())
    } else {
        None
    };
```

Mathieu Duponchelle authored Feb 09, 2018 and Sebastian Dröge committed Feb 14, 2018

Only automatic bindings for now, which is enough to allow
implementing a simple rtsp-server example.

Depends on https://github.com/sdroege/gstreamer-sys/pull/8

Uses a new gir feature proposed at
https://github.com/gtk-rs/gir/pull/539 to make doc regeneration
easier.

Fixes https://github.com/sdroege/gstreamer-rs/pull/80

François Laignel authored Jan 29, 2018 and Sebastian Dröge committed Jan 29, 2018

Generic methods for events, messages and queries can now be invoked from the concrete type.

Move the constructor of the builder to the main type

Replace AppSrcCallbacks/AppSinkCallbacks with a builder so that no empty closures have to be provided for unused callbacks

FormatValue is now renamed to GenericFormattedValue and the API slightly
changed. In addition there is now a FormattedValue trait, and a
SpecificFormattedValue trait plus types for Bytes, Buffers and the
existing ClockTime.

This allows to create functions like
  Pad::query_duration<F: SpecificFormattedValue>() -> Option<F>
and doesn't require the caller to unwrap the generic value anymore,
which is completely unneeded in these cases.

In addition, Segment became FormattedSegment<T> with API to
upcast/downcast between the specific formatted values and the generic
formatted value. This greatly simplifies usage of Segments.

Let Sample::new(), TagList::add(), Structure::set() and others take more values by reference instead of by value

This also makes use of directly reporting errors from a callback, by
transferring it via the error message to the main thread.

It's unused now

There's now get_result() instead of get(), and separate getters for only
getting the constructor arguments of each query (otherwise query
handlers will get useless values when trying to answer a query).

And also implement a FormatValue type that holds a value together with
its format to make usage of the positions/durations/seek positions/etc
more convenient and safe.

Fixes https://github.com/sdroege/gstreamer-rs/issues/3

And implement basically the Try trait for them. This will be replaced by
the Try trait once it is stable.

Fixes https://github.com/sdroege/gstreamer-rs/issues/44

Luis de Bethencourt authored Oct 22, 2017 and Sebastian Dröge committed Oct 24, 2017

This creates a reference to a reference, clean it.

Fixes https://github.com/sdroege/gstreamer-rs/pull/48
Fixes https://github.com/sdroege/gstreamer-rs/issues/47

And let PlayerGMainContextSignalDispatcher::new() return the correct
type