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Update CHANGELOG.md for 0.19.0
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Sebastian Dröge
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@ -5,6 +5,140 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
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and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
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specifically the [variant used by Rust](http://doc.crates.io/manifest.html#the-version-field).
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## [0.19.0] - 2022-10-22
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### Added
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- Builders for element construction. `gst::ElementFactory::make()` returns a
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builder now that allows to easily set the name or any other property at
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construction time. The old API is available as `make_with_name()`.
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- Builders for `Bin` and `Pipeline` as well as a `Default` trait
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implementation to simplify object construction.
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- Builders for `appsrc` and `appsink`, which allow type-safe construction of
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both elements while also allowing to easily set all their properties at
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construction time.
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- Builders for the GStreamer-specific fraction/array param/property specs.
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- Infrastructure for casting between `gst::Memory` subtypes/supertypes, and
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make use of it for GL memory.
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- Bindings for the `gstreamer-allocator` library with support for file
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descriptor-based and DMABUF memory.
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- Complete bindings for `gst_video` `Navigation` events.
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- Constructors for error/warning/info messages with a pre-built `glib::Error`.
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This also leads to some minor simplification of the existing API.
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- Accessors for static pads of various base classes for making accessing them
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cheaper and less error-prone than getting them by name.
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- Builder for pad templates.
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- Static PTP clock API for statistics, initialization and deinitialization.
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- New `gstreamer-utils` crate that currently contains only a `StreamProducer`
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API. This allows building 1:N bridges between live pipelines via `appsink` /
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`appsrc` elements.
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- Bindings for the new `gstreamer-play` library that was added in 1.20.
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- `gst::Caps::new_empty_simple()` to create caps without fields and just a
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name.
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- `gst_audio::AudioCapsBuilder` and `gst_video::VideoCapsBuilder` for building
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(possibly) unfixed raw audio/videos caps with typed setters for the various
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fields. This makes it impossible to mix up types and e.g. use an `u32`
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instead of an `i32` for the width of video caps.
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- `gst::Buffer::ptr_eq()` to compare buffers by pointer instead of doing a
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deep comparison, and also `ptr_eq()` on all other miniobject types.
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- Accessors for `gst_webrtc::WebRTCICECandidateStats` fields.
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- Bindings for the `gstreamer-validate` API.
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- Subclassing bindings for `gst_audio::AudioVisualizer` base class for easily
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writing audio visualization elements.
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- `gst_pbutils::EncodingProfile` API for element properties.
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- Support for returning buffer lists from `BaseSrc` / `PushSrc` subclasses.
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- Support for implementing `gst::Bin::do_latency()`.
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- Minimal bindings for the `gstreamer-mpegts` library.
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### Fixed
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- Signature for `gst_base::Aggregator::connect_samples_selected()` to remove
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unnecessary generic parameter and make it straightforward to use.
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- Various APIs had optional parameters/return types corrected to match the C
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API more closely.
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- Logging does not evaluate its arguments anymore if the debug category is not
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enabled or below the current threshold.
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- Registering custom metas is now possible without transform function.
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- `gst::subclass::ElementImpl::request_new_pad()` signature uses a `&str`
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instead of an owned `String` now.
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### Removed
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- `fragile` dependency and instead use the same functionality from `glib`.
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- `gst_audio::AudioAggregator` `ignore_inactive_pads` property, which was
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duplicated from the `Aggregator` base class.
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### Changed
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- Compatible with the 0.16 gtk-rs release.
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- Updated minimum supported GStreamer version from 1.8 to 1.14.
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- Updated to the latest GStreamer 1.22 APIs while still supporting up to
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GStreamer 1.14. Any new 1.22 APIs might still change until the stable 1.22
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release.
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- Updated minimum supported Rust version to 1.63.
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- In `EventView` / `QueryView`, getters that return references now return
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references that can outlive the view and are only bound by the lifetime of
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the corresponding event/query.
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- In addition `Query`, `Event` and `Message` views are implemented more
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consistently now, which makes them easier to use and as a side effect allows
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to pass e.g. more strongly typed queries to functions that only accept a
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single query type.
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- Various improvements to `gst::ClockTime`, `gst::format::Bytes`, `gst::format::Signed`
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and related types and their usage in the API, which should make its use from
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applications easier and less error-prone. Check the `gst::format`
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module-level documentation for details.
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- `gst::StreamsSelected` event builder takes the selected streams as iterator
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instead of slice.
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- For consistency with other macros the `gst` prefix of the logging macros was
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also removed.
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- Various iterator implementations were added and the existing ones were
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optimized by implementing more specialized traits and custom implementations
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for a couple of iterator functions.
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- GStreamer initialization safety checks were optimized.
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- `gst::Bus::post()` takes ownership of the passed messages like the C API.
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- Better and easier to read `Debug` impls for `Caps`, `TagList`,
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`Structure` and `Promise`.
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- `ser_de` feature was renamed to `serde`.
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- `gst::Tracer` implementations get result enums passed as `Result`s now
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instead of single enums.
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- `gst::Pad`, `ProxyPad`, `GhostPad` default functions are all associated
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functions instead of methods now to avoid conflicts between multiple types
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with the same method.
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- `Pad` tasks are catching panics from the task function and if the parent of
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the pad is an element then the panic is converted into an error message and
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the task is simply stopped. Otherwise the panic is rethrown.
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## [0.18.8] - 2022-04-26
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### Added
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- Bindings for `RTPBasePayload` and `RTPBaseDepayload`.
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@ -1236,6 +1370,9 @@ specifically the [variant used by Rust](http://doc.crates.io/manifest.html#the-v
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The API of the two is incompatible.
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[Unreleased]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.6...HEAD
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[0.19.0]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.8...0.19.0
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[0.18.8]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.7...0.18.8
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[0.18.7]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.6...0.18.7
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[0.18.6]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.5...0.18.6
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[0.18.5]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.4...0.18.5
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[0.18.4]: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/compare/0.18.3...0.18.4
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