Lataa score 3.8.1

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ossia score is a sequencer for audio-visual artists, designed to create interactive shows.
Sequence OSC, MIDI, DMX, sound, video and more, between multiple software and hardware. Create interactive and intermedia scores, script and live-code with JavaScript, ISF Shaders, Faust, PureData or C++. Leverage IoT protocols such as CoAP or MQTT, interact with joysticks, Wiimotes, Leapmotions, Web APIs and BLE sensors and integrate programs from a wealth of creative programming languages such as Structure Synth, Context-Free Art and Bytebeat. Load any kind of audio or video format and process visuals through Spout, Syphon, NDI, Shmdata or Sh4lt ; sonify large datasets with CSV and HDF5 support.
ossia score 3.8.1 brings major video improvements, video mapping features, HDR support, full backwards playback, and many bug fixes.
Full Changelog: v3.8.0...v3.8.1
New features
- video: massive hardware decoding rework with D3D12 and Vulkan Video backends, thanks to FFMPEG. True zero-copy for Vulkan Video -> Vulkan render pipeline and VideoToolbox -> Metal ; 1 GPU copy otherwise.
- video: finish the implementation for GPU-accelerated rendering of pretty much every useful YUV format in existence: UYVY422, VUYA, XV30, Y210, YUV420, YUV420P10, YUV420P12, YUV422, YUV422P10, YUV422P12, YUV440, YUV444, YUV444P10, YUV444P12, YUVA420, YUVA444, YUVA444P10, YUVA444P12, YUYV422, ...
- time ruler: implement scrubbing by double-clicking and dragging.
prores
- video: added automatic mode to pick the best hardware decoder for a given task.
- video: HDR support for Window output (tested on macOS and Windows).
- video: HDR shaders added to user library: tonemapping, exposure, OETF, etc.
- video: rework of color processing, proper support for full range MPEG, fix Cineform support
- video: hardware-decoded DXV
- video: add a direct synchronous playback option for formats that support it (HAP, DXV and other all-I formats)
- video: add .ts as acceptable extension
- video: add a multi-window output mode to handle multi-projector mapping, with soft-edge blending and warping.
multi-window-1
- scenario: allow backwards playback
- process: add a VU meter object for audio visualization
vumeter
- process: add a video mapper (rect-mapper) object in the user library for mapping multiple textures in one viewport.
rect-mapper-1
- process: add an advanced-text object in the user library for fancy text rendering.
advanced-text
- process: add a presentation object in the user library because what use is a graphics software which isn't even able to render slides.
presentation
- isf: initial infrastructure for cubemap textures
- network: add a debug log panel to HTTP, WebSocket, etc.
o
- js: add Util.environmentVariable(), Util.timestamp(), file info utility functions
- js: add API functions for working with TimeVal
- js: add a positionChanged signal for UIs ; implement Score.scrub(milliseconds)
- js: store a path to allow processes that have local file dependencies to retrieve them ; enables creating advanced QML objects with multiple files.
- js: give access to Util in JSProcessModel
- mapper: add support for adding framing (SLIP, etc.) to stream-based protocols such as TCP
- cli: js: allow to run a script on startup with --script
- gfx: add infrastructure to allow objects to fetch a texture from a previous node instead of being rendered into
- ui: allow to disable the UI updates during execution for low power systems
- core: add SCORE_PRETTIFY_JSON=1 environment variable to save JSON indented
- tools: add a git update tool
Improvements
- ui: improve styling for Qt Quick objects
- ui: make it easier to start a drag from a port which already has a cable
- ui: make port labels clickable
- video: improve thumbnail computations and seeking logic
- video: better heuristics for direct video playback
- video: use software decoding as far as possible for thumbnails
- js: use Basic style for QML UIs to match score style
- js: force update of items on each tick to ensure View3D updates correctly
- create-app: include assets from score file directory in create-app scripts for all platforms. Thanks @ogauthiersat!
- 3rdparty: broad library update
- ci: update to SDK 36 (FFmpeg 8.1)
- msvc: update to VS2026
Bugfixes
- ui: fix that library download check had been moved to opening the settings UI
- ui: fix wrong condition to check whether value input is some binary string
- ui: fix scroll in timeline view scrolling the interior of nodal views
- metal/d3d: fix background texture inverted. Fixes #1968
- exec: fix looping when playing backwards
- scenario: drop on cable: fix crash when a node would be changed in a separate slot upon drag and drop
- video: fix IgnoreTempo property read missing regression. Thanks @ogauthiersat!
- video decoder: add a missing flush
- lfo: fix phase in quantified mode
- lfo: fix phase missing a multiplication by pi
- js: fix state not restoring on graph change
- js: fix using background textures from QML in hidden views
- js: fix a QtQuick3D deletion order issue
- js: fix passing paths that have LIBRARY: or PROJECT: prefixes
- js: GPU node fixes for state handling
- qml: put the ASIO state in a separate thread-safe object to prevent concurrency issues in mapper device
- qml: set simpler environment for Python support
- coremidi: fix observer not being initialized
- core: fix settings crash on close
- core: make the settings children of qApp so that JS engine does not appropriate them
- ports: fix changing between ControlInlet and ValueInlet at runtime for e.g. JS script
- avnd: variable ports: fix missing resize of intermediary buffers
- avnd: increase resiliency against 0 I/O channels ; fix order of calls for channel allocation
- avnd: fix that buffers were only up to 31 bit size, instead of 32. 4GB buffers are now possible if the GPU handles it.
- gfx: prevent a node that has been just removed to be added again as a preview node
- gfx: null check fix in buffer release
- preview: fix gamma blending
- model display: fix that preview had broken
- fft: kfr: fix an issue with deallocation
- linux: fix missing avahi-daemon program warning on some distros. Thanks @ogauthiersat!
- tools: fix missing line feed in mac custom app launcher environment. Thanks @ogauthiersat!
- core: prevent dummy warning with Clang 22 on each COUNTER