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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 262 |
1 files changed, 183 insertions, 79 deletions
@@ -3,19 +3,12 @@ GSTREAMER 1.16 RELEASE NOTES -GStreamer 1.16 has not been released yet. It is scheduled for release in -April 2019. - -1.15.x is the unstable development version that is being developed in -the git master branch and which will eventually result in 1.16. - -1.16 will be backwards-compatible to the stable 1.14, 1.12, 1.10, 1.8, -1.6, 1.4, 1.2 and 1.0 release series. +GStreamer 1.16.0 was originally released on 19 April 2019. See https://gstreamer.freedesktop.org/releases/1.16/ for the latest version of this document. -_Last updated: Wednesday 10 April 2019, 00:50 UTC (log)_ +_Last updated: Friday 19 April 2019, 00:00 UTC (log)_ Introduction @@ -76,6 +69,10 @@ Highlights - The GStreamer Rust bindings and Rust plugins module are now officially part of upstream GStreamer. +- The GStreamer Editing Services gained a gesdemux element that allows + directly playing back serialized edit list with playbin or + (uri)decodebin + - Many performance improvements @@ -208,7 +205,8 @@ this new infrastructure and provides the following elements: - ccconverter: a closed caption converter that can convert between different formats -- line21decoder: extract line21 closed captions from SD video streams +- line21encoder, line21decoder: inject/extract line21 closed captions + to/from SD video streams - cc708overlay: decodes CEA 608/708 captions and overlays them on video @@ -218,7 +216,11 @@ support: - qtdemux and qtmux support CEA 608/708 Closed Caption tracks -- mpegvideoparse extracts Closed Captions from MPEG-2 video streams +- mpegvideoparse, h264parse extracts Closed Captions from MPEG-2/H.264 + video streams + +- avviddec, avvidenc, x264enc got support for extracting/injecting + Closed Captions - decklinkvideosink can output closed captions and decklinkvideosrc can extract closed captions @@ -265,7 +267,7 @@ New Elements or uridecodebin3 etc. - New closed caption elements: cccombiner, ccextractor, ccconverter, - line21decoder and cc708overlay (see above) + line21encoder, line21decoder and cc708overlay (see above) - wpesrc: new source element acting as a Web Browser based on WebKit WPE @@ -402,6 +404,9 @@ New element features and additions - srtpdec, srtpenc: add support for MKIs which allow multiple keys to be used with a single SRTP stream +- srtpdec, srtpenc: add support for AES-GCM and also add support for + it in gst-rtsp-server and rtspsrc. + - The srt Secure Reliable Transport plugin has integrated server and client elements srt{client,server}{src,sink} into one (srtsrc and srtsink), since SRT connection mode can be changed by uri @@ -434,7 +439,24 @@ New element features and additions "connector-properties" can be used to pass custom properties to the DRM. -- waylandsink has a "fullscreen" property now. +- waylandsink has a "fullscreen" property now and supports the + XDG-Shell protocol. + +- decklinkvideosink, decklinkvideosrc support selecting between + half/full duplex + +- The vulkan plugin gained support for macOS and iOS via MoltenVK in + addition to the existing support for X11 and Wayland + +- imagefreeze has a new num-buffers property to limit the number of + buffers that are produced and to send an EOS event afterwards + +- webrtcbin has a new, introspectable get-transceiver signal in + addition to the old get-transceivers signal that couldn’t be used + from bindings + +- Support for per-element latency information was added to the latency + tracer Plugin and library moves @@ -574,6 +596,18 @@ Miscellaneous API additions - gst_audio_buffer_truncate() convenience function to truncate a raw audio buffer +- GstDiscoverer has support for caching the results of discovery in + the default cache directory. This can be enabled with the use-cache + property and is disabled by default. + +- GstMeta that are attached to GstBuffers are now always stored in the + order in which they were added. + +- Additional support for signalling ONVIF specific features were + added: the SEEK event can store a trickmode-interval now and support + for the Rate-Control and Frames RTSP headers was added to the RTSP + library. + Miscellaneous performance and memory optimisations @@ -677,49 +711,6 @@ Tracing framework and debugging improvements object. This is currently limited to pads for GstElements and events for the pads. The output may look like this: - (gdb) gst-print pad.object.parent - GstMatroskaDemux (matroskademux0) { - SinkPad (sink, pull) { - } - SrcPad (video_0, push) { - events: - stream-start: - stream-id: 0463ccb080d00b8689bf569a435c4ff84f9ff753545318ae2328ea0763fd0bec/001:1274058367 - caps: video/x-theora - width: 1920 - height: 800 - pixel-aspect-ratio: 1/1 - framerate: 24/1 - streamheader: < 0x5555557c7d30 [GstBuffer], 0x5555557c7e40 [GstBuffer], 0x7fffe00141d0 [GstBuffer] > - segment: time - rate: 1 - tag: global - container-format: Matroska - } - SrcPad (audio_0, push) { - events: - stream-start: - stream-id: 0463ccb080d00b8689bf569a435c4ff84f9ff753545318ae2328ea0763fd0bec/002:1551204875 - caps: audio/mpeg - mpegversion: 4 - framed: true - stream-format: raw - codec_data: 0x7fffe0014500 [GstBuffer] - level: 2 - base-profile: lc - profile: lc - channels: 2 - rate: 44100 - segment: time - rate: 1 - tag: global - container-format: Matroska - tag: stream - audio-codec: MPEG-4 AAC audio - language-code: en - } - } - - gst_structure_to_string() now serialises the actual value of pointers when serialising GstStructures instead of claiming they’re NULL. This makes debug logging in various places less confusing, @@ -761,7 +752,35 @@ GStreamer RTSP server GStreamer VAAPI -- this section will be filled in in due course +- Support Wayland’s display for context sharing, so the application + can pass its own wl_display in order to be used for the VAAPI + display creation. + +- A lot of work to support new Intel hardware using media-driver as VA + backend. + +- For non-x86 devices, VAAPI display can instantiate, through DRM, + with no PCI bus. This enables the usage of libva-v4l2-request + driver. + +- Added support for XDG-shell protocol as wl_shell replacement which + is currently deprecated. This change add as dependency + wayland-protocol. + +- GstVaapiFilter, GstVaapiWindow, and GstVaapiDecoder classes now + inherit from GstObject, gaining all the GStreamer’s instrumentation + support. + +- The metadata now specifies the plugin as Hardware class. + +- H264 decoder is more stable with problematic streams. + +- In H265 decoder added support for profiles main-422-10 (P010_10LE), + main-444 (AYUV) and main-444-10 (Y410) + +- JPEG decoder handles dynamic resolution changes. + +- More specification adherence in H264 and H265 encoders. GStreamer OMX @@ -789,12 +808,111 @@ GStreamer OMX GStreamer Editing Services and NLE -- this section will be filled in in due course +- Added a gesdemux element, it is an auto pluggable element that + allows decoding edit list like files supported by GES + +- Added gessrc which wraps a GESTimeline as a standard source element + (implementing the ges protocol handler) + +- Added basic support for videorate::rate property potentially + allowing changing playback speed + +- Layer priority is now fully automatic and they should be moved with + the new ges_timeline_move_layer method, ges_layer_set_priority is + now deprecated. + +- Added a ges_timeline_element_get_layer_priority so we can simply get + all information about GESTimelineElement position in the timeline + +- GESVideoSource now auto orientates the images if it is defined in a + meta (overridable). + +- Added some PyGObject overrides to make the API more pythonic + +- The threading model has been made more explicit with safe guard to + make sure not thread safe APIs are not used from the wrong threads. + It is also now possible to properly handle in what thread the API + should be used. + +- Optimized GESClip and GESTrackElement creation + +- Added a way to compile out the old, unused and deprecated + GESPitiviFormatter + +- Re implemented the timeline editing API making it faster and making + the code much more maintainable + +- Simplified usage of nlecomposition outside GES by removing quirks in + it API usage and removing the need to treat it specially from an + application perspective. + +- ges-launch-1.0: + + - Added support to add titles to the timeline + - Enhance the help auto generating it from the code + +- Deprecate ges_timeline_load_from_uri as loading the timeline should + be done through a project now + +- MANY leaks have been plugged and the unit testsuite is now “leak + free” GStreamer validate -- this section will be filled in in due course +- Added an action type to verify the checksum of the sink last-sample + +- Added an include keyword to validate scenarios + +- Added the notion of variable in scenarios, with the set-vars keyword + +- Started adding support for “performance” like tests by allowing to + define the number of dropped buffers or the minimum buffer frequency + on a specific pad + +- Added a validateflow plugin which allows defining the data flow to + be seen on a particular pad and verifying that following runs match + the expectations + +- Added support for appsrc based test definition so we can instrument + the data pushed into the pipeline from scenarios + +- Added a mockdecryptor allowing adding tests with on encrypted files, + the element will potentially be instrumented with a validate + scenario + +- gst-validate-launcher: + + - Cleaned up output + + - Changed the default for “muting” tests as user doesn’t expect + hundreds of windows to show up when running the testsuite + + - Fixed the outputted xunit files to be compatible with GitLab + + - Added support to run tests on media files in push mode (using + pushfile://) + + - Added support for running inside gst-build + + - Added support for running ssim tests on rendered files + + - Added a way to simply define tests on pipelines through a simple + .json file + + - Added a python app to easily run python testsuite reusing all + the launcher features + + - Added flatpak knowledge so we can print backtrace even when + running from within flatpak + + - Added a way to automatically generated “known issues” + suppressions lines + + - Added a way to rerun tests to check if they are flaky and added + a way to tolerate tests known to be flaky + + - Add a way to output html log files GStreamer Python Bindings @@ -1223,20 +1341,6 @@ Yeongjin Jeong, Yuji Kuwabara, Zeeshan Ali, suggestions or helped testing. -Bugs fixed in 1.16 - -- this section will be filled in in due course - -More than XXX bugs have been fixed during the development of 1.16. - -This list does not include issues that have been cherry-picked into the -stable 1.16 branch and fixed there as well, all fixes that ended up in -the 1.16 branch are also included in 1.16. - -This list also does not include issues that have been fixed without a -bug report in bugzilla, so the actual number of fixes is much higher. - - Stable 1.16 branch After the 1.16.0 release there will be several 1.16.x bug-fix releases @@ -1247,7 +1351,7 @@ the git 1.16 branch, which is a stable branch. 1.16.0 -1.16.0 is scheduled to be released in April 2019. +1.16.0 was released on 19 April 2019. Known Issues @@ -1272,9 +1376,9 @@ unstable development version leading up to the stable 1.18 release. The development of 1.17/1.18 will happen in the git master branch. The plan for the 1.18 development cycle is yet to be confirmed, but it -is expected that feature freeze will be around July 2019 followed by -several 1.17 pre-releases and the new 1.18 stable release in -August/September. +is possible that the next cycle will be a short one in which case +feature freeze would be perhaps around August 2019 with a new 1.18 +stable release in September. 1.18 will be backwards-compatible to the stable 1.16, 1.14, 1.12, 1.10, 1.8, 1.6, 1.4, 1.2 and 1.0 release series. @@ -1282,7 +1386,7 @@ August/September. ------------------------------------------------------------------------ _These release notes have been prepared by Tim-Philipp Müller with_ -_contributions from Sebastian Dröge, Guillaume Desmottes and Matthew -Waters._ +_contributions from Sebastian Dröge, Guillaume Desmottes, Matthew +Waters, _ _Thibault Saunier, and Víctor Manuel Jáquez Leal._ _License: CC BY-SA 4.0_ |