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NEWS
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1.9
====
* added basic nvdec support
* added Pipewire screen capture
* added Pipewire generic video capture & display
* added Pipewire audio capture & display
* GUI: Don't block whole interface when querying UG capabilities
* GUI: Better handling of UG crash during capability query
* GUI: vuMeter: Redesigned to allow variable channel count
* GUI: vuMeter: Added maximum recent peak indicator
* swmix: Optionaly specify a custom config file path
* holepunch: New 'bind_ip' option
* improved deinterlacing quality and performance; support for higher than 8 bit
pixel formats
* added new deinterlace filters (linear, bob)
* added support for Vuikan on macOS (utilizing MoltenVK)
* improved support for HW accelerated encoding with QuickSync for Intel GPUs
(mainly for higher bit-depth formats)
* improved support for AMD GPUs (encoding with AMF, VDPAU decoding, VA-API)
* improved Windows screen capture (automaticaly register filter)
* Reed-Solomon: support for multiple tiles (notably 3D)
* improved AV1 performance by tweaking parameters
* video switcher: support for embedded audio switching
* added file (libavformat-backed) output
* supported >8 bit transcoding in hd-rum-transcode and resize filter
* improved DShow capture compatibility with new pixfmts + convert to RGB
* added official mac arm64 build
1.8
====
* added Reed-Solomon for audio
* added support for RPI4 hw. acceleration
* added holepunching support for where both hosts are behind NAT
* added experimental echo canceller support
* added unix_sock display for passing video frames to other processes via unix sockets
* added audio filter 'delay' for delaying audio on sender
* added audio filter 'playback' for monitoring audio on sender
* testcard (audio) - file playback now respects bps from --audio-capture-format
* converting sound samples to a lower bit depth now uses dithering
* transcoding reflector - ports with same the compression now reuse compressed
frames instead of doing the same work
* conference mode now automatically sends back video to all participants
* improve H.265 recovery from packet drops (enabled constrained-intra)
* improve svt-av1 compatibility
* GUI: preview now uses unix sockets instead of shared memory
* GUI: should now behave correctly when running multiple instances
* GUI: added RTCP receiver report based RTT and packet loss indicator
* GUI: added send bandwidth indicator
* GUI: separate vuMeters for send/receive
* GUI: don't show crash dialog if UltraGrid crashed when exiting
* added dynamical scaler for DeckLink audio to eliminate clock drift
* support for libsoxr resampler (16/32 bits), added 32-bit support to SpeexDSP + use
multiple threads
* encryption - added + made default encryption in AES GCM mode (+ support for WolfSSL)
* added Vulkan display
1.7
====
* DeckLink - capture supports signal bit-depth detection (8-bit capture is
no longer default if not explicitly requested), support for HDR metadata
in display
* Raspberry Pi - support for HW encoding of H.264
* higher bit depth support for various compressions - Cineform, libavcodec
(libx264, VP9, NVENC)
* libavcodec - new compressions support and inclusion in Linux builds - SVT,
rav1e, david; videotoolbox HW accelerated decoding
* NDI - support for 16-bit video, compatibility with NDI 5
* added some NAT traversal techniques - PCP, NAT-PMP and the server mode
* GPUJPEG - improved handling of color spaces - BT.609 and RGB is finally
encoded natively allowing faster encode/decode and possibly also better
fidelity by avoiding color conversions
* Support for 360 degree video stitching and playback
* GUI - now it's possible to select a specific encoder for each codec
1.6
====
* added 10 and 12 bit and RGB video compression support
* added GoPro CineForm (SMPTE VC-5) video codec support
* added basic Ximea cammeras support
* added NDI capture and playback support
* added AJA video display and audio playback
* added Windows 10 audio capture and playback using Windows WASAPI
* added generic multimedia files demuxer
* New version of GPUJPEG
* GUI improvements
* improved macOS compatibility
1.5
====
* added BitFlow grabber
* added SDL2 (replacing SDL1)
* added SPOUT server
* added Syphon client
* added VDPAU and VAAPI HW accelerated decoding
* AJA - support for macOS and Windows
* multiple improvements in DeckLink (multi-link, 3D, passthrough)
* new QT GUI
* option to runtime switching of recording
* performance and latency improvements in GL
* support for 64-bit Windows builds
* support for Comprimato J2K codec
1.4
====
* added AJA capture cards support
* added Magewell capture cards support
* support for new libavcodec encoders, including Quick Sync and NVENC
* added support for H.265/HEVC codec including NVENC acceleration
* significant GPUJPEG performance improvements
* added Reed-Solomon forward error correction (suitable for H.264)
* significantly increased Windows performance
* Syphon support
* added text and border postprocessors, grayscale, mirror, and flip capture filters
* updated to match recent versions of supported drivers and APIs
* much better integration with CoUniverse
* added videoconferencing mode and audio mixer
1.3
====
* further Windows compatibility (including GPUJPEG)
* added encryption
* added AV Foundation capture
* added CUDA implementation of LDGM
* multiple performance improvements
* added logo capture filter
* added dynamic rate limiter
* do not occupy recv port if not used
* support for new operating systems (OS X 10.10, Ubuntu 14.10, Windows 8)
* added RTSP capturer
* added resize capture filter
* standard encapsulation for H.264 and A-law/u-law/OPUS audio and RTSP server
1.2
=====
* screen capture performance updates
* screen capture - added cursor capture (X11)
* added interlacing postprocessor
* added V4L2 capture
* AV record and playback
* MS Windows support (most of modules)
* support for libavcodec compression/decompression (H.264, VP8, MJPEG)
* GPUJPEG performance optimalizations
* DirectShow capture support
* added SAGE transmit (alternative to native RTP)
* recompressing support added to a reflector
* added SW video mix
* direct transcoding from JPEG to DXT
* support for BlueFish444 cards
* RTDXT compress now runs on Intel graphics cards (Linux)
* OpenGL - key shortcuts for screenshot and pause
* added audio compression
* added CUDA RGB(A)->UYVY transformation, JPEG->DXT1/5 transcoder
* added CUDA DXT compression
* support for DELTACAST DVI/HDMI cards
* GLSL stuff (eg. RTDXT) now runs on Mac and Windows
* added video capture filters - blanking (anonymization) and frame
dropping
1.1
=====
* support for specifying multicast interface for both IPv4 and IPv6
* IPv6 - support zone ID (RFC 4007), name resolving into IPv6
* LDGM - added profiles
* added acoustic echo canceller
* ALSA - fixed latency problem when using PulseAudio
* cmdline parameter to capture specified number of channels
* allow audio scaling (by a fixed ratio or adaptively)
* audio - added audio mapping/mixer
* Mac - produce complete self-contained bundle (with libs)
* updated GUIs - added FEC, tooltips etc.
* GL - hide cursor
1.1-rc4
=====
* interlacing - allow switching at field-rate while naturally interlacing field
* DeckLink - allow specification for audion input connection (SDI/AESEBU/analog)
* OpenGL - automatically enable sync on VBlank from application scope
* QT GUI - updated + allow compression setting
* added screen capture
* inserted packet reflector
* added possibility to limit sending bitrate
* added scaling postprocessor
* can be compiled with Clang/LLVM
* added LDGM
1.1-rc3
=====
* Mac - use native (Cocoa) context instead of GLUT
* added JACK audio devices
* DeckLink - add source selection (SDI/HDMI/Component/Compisite)
* switched to ITU-T BT. 709 Rec color space
* support for Mac OS X 10.7 (+ support for core 3.2 OpenGL profile)
1.1-rc2
=====
* updated documentation
* few small fixes
1.1-rc1
=====
* DeckLink - added format autodetection (not all cards support it, eg. Deck SDI
does)
* added aggregate video capture/display - allows grabbing/displaying from 2 or more
discrete cards. This allows eg. grabbing left eye with one grabbing card while
right eye with another
* DVS - allow choosing input card (if there is more than one)
* Deltacast - format autodetection (perhaps all cards supported)
* Deltacast - added audio (both input and output)
* Mac OS X - enable DXT compression (with GL_EXT_GPU_SHADER4)
* modularized design - modules can be now build and installed independently from core
UltraGrid - this allows i. a. distribution binary of UG with JPEG without knowing if
target system has installed CUDA Toolkit.
* format detection for DVS cards
* DVS support for Mac OS X
0.3.1
=====
* Fix crash in RTP code if getpwuid() fails (patch contributed to
rat by <[email protected]>, and adapted for UltraGrid)
* Update AES code code to rijndael-fst-3.0.zip, taken from:
http://www.esat.kuleuven.ac.be/~rijmen/rijndael/
This now passes the official NIST AES test suite (included).
* Add initial TFRC code to RTP library
* Update ALSA code with Steve Smith's ALSA 0.9+/final audio driver
* 26 October 2004
0.3.0
=====
* Update documentation
* Add initial FireWire/DV support
* Add initial video codec API
* Add initial MacOS X audio driver (contributed to rat by Juraj Sucik)
* Add initial AccessGrid service plugins
* Add initial participant database framework, to eventually allow
multiple participants
* 13 August 2004
0.2.2
=====
* Check reported loss fraction, and abort if excessive
* Playout buffer now uses a fixed 32ms playout delay, equivalent
to 2 frames at 60fps, instead of decoding frames immediately.
* 10 May 2004
v0.2.1
======
* Cleanup configure script, removing duplicate tests
* Update configure script to explicitly test for sched_setscheduler()
since some platforms (e.g. MacOS X) don't have it.
* Update configure script and video display routines to partially
support the case where X11 is not present.
* Fix -v option
* Rewrite playout buffer code
* Rewrite video display probing
* Removing scatter-read from the RTP code
* Framerate now tunable using "-f <rate>"
* 2 May 2004
0.2.0
=====
* Source code reorganization; add audio code (unused)
* 18 August 2003
0.1.1
=====
* Performance optimizations for Xvideo display device
* 28 November 2002 (demonstrated at SuperComputing 2002)
0.1.0
=====
* Add "-m <mtu>" option to select transmit MTU
* Add TFRC code
* Display in a window using Xvideo (not cleanly implemented)
* Initial test suite (incomplete)
* 8 October 2002
0.0.3
=====
* Add "-d <display>" option to select display device
* Add "-t <capture>" option to select capture device, and enable transmit
* Reduce RTCP housekeeping frequency
* Disable UI for now
* 27 August 2002
0.0.2
=====
* Fix builds with --enable-debug
* Update display code
* Update capture code
* 26 August 2002
0.0.1
=====
* Initial version, HDTV receiver
* 14 August 2002