LAV Filters changelog

Below are the changelogs for the most recent stable builds of LAV Filters.

A detailed list of all changes to LAV Filters, including those from development builds, can be found in the source code commit log of LAV Filters and its custom FFmpeg.

It is easy to interpret the version of a development build. For example development version 0.68.1-53-gca626 equals stable version 0.68.1 plus 53 additional changes after that, the last of which has the abbreviated Git commit hash ca626.

0.78.0 - 2023/10/25

LAV Splitter

• NEW: Added identification of DTS:X in DTS HD-HRA streams
• NEW: Support for various stream flags in Matroska containers (Hearing Impaired, and more)
• Changed: Text-based subtitle selection now uses case-insensitive matches (ASCII characters only)
• Fixed: Many stream titles in MP4 files weren't being read properly

LAV Video

• NEW: Support for decoding SMC video
• Fixed: HLG video streams could have their HLG flag overriden in some circumstances

LAV Audio

• Fixed: TrueHD bitstreaming of Atmos tracks could cause output timestamps to be off, confusing some audio renderers

0.77.2 - 2023/03/08

LAV Splitter

• NEW: Added identification for spatial/immersive audio extensions (Atmos, DTS:X)
• Changed: More reasonable rounding for odd aspect ratios, avoiding issues with some video pipelines
• Fixed: Improved compatibility with some FTP servers

LAV Audio

• Fixed: Restored the default channel layouts for 5.1 and 7.1 to the correct layout (accidentally changed in 0.77, causing some playback issues)
• Fixed: Some TrueHD files would not decode correctly

0.77.1 - 2022/11/15

LAV Splitter

• Fixed: More MP4 keyframe information fixes

0.77.0 - 2022/11/10

LAV Splitter

• Fixed: Improved handling of multichannel PCM channel assignments
• Fixed: MP4 Keyframe information could be wrong

LAV Audio

• NEW: Support for audio with more then 8 channel, including automatic downmixing if required

0.76.1 - 2022/02/28

LAV Splitter

• Changed: When requesting a HTTP URL, the URL itself is send as a referrer to increase compatibility
• Fixed: The priority of "Default" subtitle tracks in MKV files was wrong when a forced track was present

LAV Video

• Changed: Improved color reporting for DVD menus/subtitles
• Fixed: D3D11 surface clearing did not work properly on Intel GPUs

0.76.0 - 2022/01/22

LAV Splitter

• NEW: Added an option to re-evaluate subtitle stream selection when the audio language changes
• NEW: Improved advanced subtitle selection syntax with negated flags (positive and negative flags can now be combined for more flexible selection)
• Changed: Improved variant/stream selection in DASH and HLS streams
• Changed: Video streams with the highest bitrate are preferred (if equal resolution)

LAV Video

• NEW: Support for passing DoVi metadata to video renderers
• NEW: BobWeaver (BWDIF) software deinterlacer (a blend of YADIF and Weston, focusing on their individual strengths)
• NEW: Support for FIC screen capture video
• Changed: D3D11 video surfaces are flushed to black before decoding, avoiding green artifacts
• Changed: D3D11 devices are created up to feature level 12.1

LAV Audio

• Fixed: TrueHD bitstreaming could result in A/V sync issues or drop-outs
• Removed: Support for the external DTS decoder (dtsdecoderdll.dll) has been removed

0.75.1 - 2021/06/21

LAV Splitter

• Changed: AV1 files with no extradata will now generate a format header with stream information for decoders to use
• Fixed: Improved stream selection when multiple "default" video tracks are present

LAV Video

• Changed: Updated dav1d for significant improvements in AV1 10-bit decoding performance
• Changed: AV1 hardware decoding will more reliably engage when provided with additional stream information from the demuxer

LAV Audio

• Fixed: Opus decoding had audible artifacts in some files in 0.75

0.75.0 - 2021/03/30

LAV Splitter

• NEW: Support for DASH streaming
• NEW: WebVTT support in Matroska/WebM
• Changed: Improved Font support from Matroska files
• Fixed: Large queue size limits could result in the wrong limit being applied
• Fixed: Resolved a memory leak in Matroska demuxing
• Fixed: Avoid selecting a stream with only a single video frame in MP4 files, which is often a cover art
• Fixed: Seeking in Matroska files with only audio cue points did not function
• Fixed: Seeking to the beginning of certain HLS streams did not work properly
• Fixed: Duration information in Matroska files is more reliable

LAV Video

• NEW: AV1 DXVA2/D3D11 hardware decoding support
• NEW: ProRes 4444 XQ support
• Faster: Updated dav1d decoder and improved thread configuration for significantly improved AV1 decoding speed
• Fixed: Added a workaround for VP9 hardware decoding on AMD video cards
• Fixed: H.264 streams exceeding the Level 5.1 DPB limit will no longer be hardware decoded
• Fixed: Improved handling of missing reference frames in H.264 streams with hardware decoding
• Fixed: HEVC streams encoding 8-bit video in a Main10 profile can be properly hardware decoded
• Deprecated: NVIDIA CUVID and Intel QuickSync have been deprecated for future removal/replacement

LAV Audio

• Fixed: Resolved an issue with glitching TrueHD bitstreaming on seamless-branching titles
• Fixed: Resolved a compatibility issue with some playback applications
• Deprecated: Support for the binary DTS decoder (dtsdecoderdll.dll) has been deprecated for future removal

0.74.1 - 2019/03/19

LAV Video

• Fixed: VP9 video could produce wrong timestamps, resulting in a black screen or other playback disruptions
• Fixed: Decoding VP9 from a non-keyframe (ie. after a seek, or badly cut file) would not always recover properly once a keyframe was encountered

0.74.0 - 2019/03/16

LAV Splitter

• Changed: Using GnuTLS for HTTPS and other TLS protocols, improving performance and compatibility with a lot of web streaming services (ie. YouTube Live Streams through youtube-dl, and more)
• Fixed: Keyframes in MP4 files were being reported with a slightly offset timestamp, resulting in slow keyframe seeking
• Fixed: Subtitles that stretch over chapter boundaries could be lost in Ordered Chapter MKV files
• Fixed: Fonts embedded in MKVs without a proper mimetype were not being imported (now it checks the file extensions for .ttf/.otf as well)

LAV Video

• NEW: Initial support for parsing HDR10+ (SMPTE ST 2094-40) metadata, and passing it to the video renderer
• NEW: Using the dav1d AV1 decoder for significantly improved AV1 decoding performance
• Changed: Re-enabled experimental hardware acceleration for H.264 MVC 3D decoding on Intel GPUs, disabled by default
• Changed: Updated Intel MediaSDK dispatchers to the latest Media SDK, fixing compatibility with newer runtimes in the Intel DCH drivers
• Changed: Improved support for additional UtVideo subtypes

LAV Audio

• Changed: Added an option to disable the PCM fallback when bitstreaming is requested
• Fixed: Further improvements to TrueHD Bitstreaming, resolving glitching on more new titles (particularly seamless branching titles)
• Fixed: Automatic fallback from bitstreaming to PCM could crash in some situations

0.73.1 - 2018/10/11

LAV Video

• Fixed: Container-provided color information will only overwrite video bitstream color information if its set and valid

LAV Audio

• Fixed: Certain multi-channel AAC streams did not decode in 0.73

0.73.0 - 2018/10/05

LAV Splitter

• Changed: Export the description of cover art and attachments for use by players
• Fixed: Properly marked the packet allocator as providing read-only packets, to avoid crashes with in-place transform filters

LAV Video

• NEW: Support for AV1 decoding using libaom
• Changed: Enabled VP9 hardware acceleration by default
• Fixed: The aspect ratio of certain WMV/VC-1 files was not being properly respected in the WMV9 MFT decoder

0.72.0 - 2018/06/19

LAV Video

• Changed: Enabled CineformHD decoding by default, since the decoder has much improved
• Fixed: Decoding Matroska files with Linked Segments which used old x264 4:4:4 encodes could result in corruption

LAV Audio

• NEW: Blu-ray Dolby Digital Plus 7.1 decoding and bitstreaming support
• NEW: LAV Audio will fallback to audio decoding if bitstreaming is not supported by the audio renderer/hardware
• Fixed: DTS-HD HRA bitstreaming did not work properly with many A/V receivers
• Fixed: TrueHD bitstreaming could result in drop-outs on high bitrate TrueHD+Atmos streams

0.71.0 - 2018/02/15

General

• LAV Filters now requires Windows Vista or newer, Windows XP is no longer supported

LAV Splitter

• NEW: Preliminary support for UHD Blu-ray parsing

LAV Video

• NEW: D3D11 hardware accelerated decoding (native mode with madVR, Copy-Back otherwise)
• Fixed: HDR metadata was not properly communicated to madVR in DXVA2-Native mode
• Fixed: Anamorphic WMV9/VC-1 videos were not being played back with the correct aspect ratio in all cases
• Fixed: Changing certain settings while playback was paused could result in a deadlock
• Fixed: Playing severly corrupted HEVC streams with hardware decoding could result in playback failing entirely, instead of skipping over the corruption

LAV Audio

• NEW: Basic support for AAC 960 streams (common in DVB radio streams)

0.70.2 - 2017/07/06

LAV Video

• Fixed: DXVA2 decoding could fail in 0.70 after a dynamic media type change

0.70.1 - 2016/07/01

LAV Video

• NEW: DXVA2-CopyBack uses D3D9Ex to allow headless operation
• Changed: Increased the maximum number of decode threads to 32
• Changed: Rebalanced the "Auto" thread strategy to use the exact number of available CPU cores, instead of 1.5x the cores
• Fixed: Certain H264 streams could crash in 0.70 due to lack of buffer padding

0.70.0 - 2016/06/15

LAV Splitter

• Fixed: Certain MP4/MOV files didn't play or seek correctly in recent versions of LAV Splitter
• Fixed: HEVC in MP4 without PTS timestamp is being signaled appropriately
• Fixed: Closing RTSP streams did not properly call the TEARDOWN function
  

LAV Video

• NEW: CUVID support for VP9 8/10-bit and HEVC 10/12-bit decoding
• NEW: DXVA2 support for VP9 10-bit decoding
• Changed: Simplified the internal dataflow to reduce overhead and improve performance
• Changed: Enabled P010 output to EVR on Windows 10 Creators Update
• Fixed: Y416 output was incorrect (required by madVR 0.91.8 and newer)
• Fixed: Parsing H.264 MVC SEI NALs could fail in some cases
• Fixed: CUVID decoding could deinterlace progressive streams under certain circumstances, degrading the quality

LAV Audio

• Fixed: LATM AAC streams with Program Config Elements (PCE) (common in DVB-T2 broadcast) played with audible distortions
• Fixed: Very short PCM audio streams didn't play properly

0.69.0 - 2016/12/11

LAV Splitter

• NEW: Support for extracting HDR metadata from YouTube HDR VP9 streams
• Fixed: Reading MKV files could crash when encountering tags for unknown or disabled streams
  

LAV Video

• NEW: Support for 10-bit UtVideo
• NEW: MagicYUV decoding support
• NEW: Experimental support for CineformHD decoding
• Fixed: Converting 12-bit 4:4:4 YCbCr to RGB32 would result in a garbled image
• Fixed: Decoding certain H.264 streams could drop a few frames at the start of playback

LAV Audio

• NEW: DTS Express (LBR) decoding support

0.68.0 - 2016/03/08

LAV Splitter

• NEW: H.264 MVC 3D demuxing from MKV 3D, Blu-ray discs and Blu-ray SSIF files
• Fixed: The bitdepth of DTS-HD MA streams is reported properly in the stream information
  

LAV Video

• NEW: H.264 MVC 3D decoding (requires madVR 0.90 or newer)
• NEW: HEVC HDR streams export the HDR metadata to the video renderer (requires madVR 0.89.18 or newer)
• NEW: VP9 DXVA2 Hardware Acceleration
• NEW: Weston Three Field Deinterlacing filter (w3fdif)
• NEW: Ability to choose which GPU is used for DXVA2-CopyBack decoding
• Changed: Removed the CUVID HQ processing option, it is now automatically used when appropriate
• Fixed: CUVID would crash when playing certain HEVC files
• Fixed: Some pixel format conversions were much slower than expected
• Fixed: Pixel format changes mid-stream were not re-negotiated with the renderer in all cases
• Fixed: Changes in the framerate due to software deinterlacing are properly reflected in the media type

LAV Audio

• Fixed: Increased PCM buffering to avoid stuttering with TrueHD on some audio devices

0.67.0 - 2015/11/15

LAV Splitter

• NEW: Support for HTTPS URLs
• NEW: Automatic selection of the highest quality variant in HLS streams
• Changed: Reverted back to the old ASF demuxer
• Changed: Backported ASF seeking improvements to the old ASF demuxer
• Fixed: ASS in AVI did not work in recent versions
• Fixed: RTP/RTSP did not work properly in 0.66
  

LAV Video

• NEW: Improved DVD subtitle and menu drawing with madVR (support for madVRs subtitle repositioning and lower latency)
• Changed: HEVC and 4K HWAccel is enabled by default
• Changed: Enabled DXVA2-CB Direct Mode with YV12 output on 8-bit sources
• Fixed: DVD menus could show a black screen instead of the menu in some situations

LAV Audio

• Fixed: Improved clipping behavior in badly mastered DTS-HD tracks

0.66.0 - 2015/09/22

LAV Splitter

• NEW: Added options to increase the queue size for increased buffering
• Changed: Switched ASF/WMV demuxing to a new demuxer from Libav
• Fixed: Improved seeking with MPEG-TS files which contain teletext streams

LAV Video

• NEW: Support for DXVA2-Native decoding of HEVC 10-bit with EVR on supported GPUs
• Changed: 4K Video Decoding on AMD graphics card is now enabled (needs recent drivers to work properly)
• Changed: DXVA2-CB decoding uses less memory on NVIDIA graphics cards
• Fixed: H264 DXVA2 decoding failed when no SPS/PPS was available in the media type
• Fixed: Conversion of RGB48 to RGB32/24 did not properly use dithering
• Fixed: Improved handling of a few DVD menu quirks
• Fixed: Decoding 10-bit video with EVR could result in a black screen

LAV Audio

• Changed: 5.1 audio favors the "Side" 5.1 layout, which conforms to modern surround standards

0.65.0 - 2015/04/21

LAV Splitter

• NEW: Support for MKV subtitle Cues to show subtitles immediately after a seek
• NEW: Attachments and embedded cover art images are exported through the IDSMResourceBag interface
• Fixed: Improved demuxing of HEVC in MPEG-TS and increased the reliability of the SPS/PPS/VPS extraction
• Fixed: Demuxing Blu-rays/MPEG-TS where the first stream was not a video stream could result in broken timestamps
• Fixed: Seeking in MKVs which are currently being written is more reliable

LAV Video

• Fixed: Improved HEVC DXVA2 decoding on a few samples
• Fixed: Playback of VFR MPEG-4 in AVI had wrong timestamps in 0.64
• Fixed: Improved handling of DVD subtitles without timestamps

LAV Audio

• NEW: Native DTS-HD decoding using libdcadec
• Changed: 5.1 audio prefers the speaker mask with side channels, to match recent specifications

0.64.0 - 2015/02/13

General

• NEW: Individual LAV Filters can now be blacklisted through the registry by creating a key with the executable name in HKCU\Software\LAV\<Filter>\Blacklist or HKLM\Software\LAV\<Filter>\Blacklist

LAV Splitter

• NEW: Support for RTMP using rtmpdump-style parameter syntax
• NEW: Support for Opus-in-TS
• Fixed: The language reported for audio/subtitle streams on some Blu-rays could be wrong

LAV Video

• NEW: HEVC Main10 decoding in DXVA2 Copy-Back mode
• Faster: DXVA2 Copy-Back in direct output mode uses up to 50% less CPU and performance is improved accordingly
• Fixed: H.264 streams with only DTS timestamps would play out of sync with DXVA2
• Fixed: DXVA2 could crash on some MPEG-2 streams
• Fixed: Improved compatibility with a few HEVC streams when using DXVA2

0.63.0 - 2014/10/03

LAV Splitter

• NEW: Support for playing AES encrypted HLS streams
• NEW: Advanced Subtitle selection allows selecting subtitles by a string match on the stream title
• NEW: Support for rtspu, rtspm, rtspt and rtsph URLs to force the RTSP transport protocol
• NEW: Animated GIF image support
• Fixed: Improved timestamp handling of badly muxed/corrupted H.264 streams
• Fixed: 4K ProRes streams in MKV didn't play reliably
• Fixed: Some HEVC streams in MKV/MP4 didn't play properly
• Fixed: VobSubs in MP4 didn't properly export their color palette
• Fixed: Streaming MP3s through the Microsoft URL filter could result in the last audio frame to be partially repeated
• Fixed: The duration of MP3 files would be wrong if it contained long IDv3 tags
• Fixed: TrueHD streams with an Dolby Atmos sub-stream were not demuxed properly

LAV Video

• NEW: Experimental support for CUVID and DXVA2 HEVC acceleration
• Faster: HEVC decoding is up to 100% faster
• Fixed: DVD subtitle rendering could crash in 64-bit builds

LAV Audio

• Fixed: TrueHD streams with an Dolby Atmos sub-stream did not decode

0.62.0 - 2014/06/12

LAV Splitter

• Fixed: The filtered Forced Subtitles stream did not properly send all related subtitle data in some cases

LAV Video

• NEW: Implemented a WMV9 MFT decoder to replace the old DMO decoder for VC-1/WMV3 on Windows 7 and above
• NEW: Support for VP7 video
• Fixed: Multi-threaded video decoding could result in a handle leak on some systems
• Fixed: Video processing was slow on Windows XP due to inefficient memcpy use
• Fixed: DVD subtitles could overlap on some discs

LAV Audio

• Fixed: Dynamic format switching to an audio stream with a different sample rate did not work in some cases

0.61.2 - 2014/04/08

General

• Installer: The installer does now backup DirectShow registry settings before overwriting them, allowing uninstall to restore them

LAV Splitter

• NEW: Support for ProRes in MKV
• Fixed: Opening AviSynth scripts with LAV Splitter which used DirectShowSource to load LAV Splitter again caused a deadlock
• Fixed: Audio-only AviSynth scripts did not show a duration.
• Fixed: Cue Sheets with directives with empty parameters could cause a crash

LAV Video

• Fixed: AVC1 video streams without SPS/PPS in the configuration record did not decode properly
• Fixed: Decoding H.264 streams with a resolution change using the DXVA2 Copy-Back decoder could crash
• Fixed: YUV->RGB conversion produced the wrong output for the last line of odd-height 4:2:2 or 4:4:4 files

LAV Audio

• Changed: LAV Audio offers more alternate output configurations to the audio renderer if the audio renderer refuses our preferred format.
• Fixed: Decoding AC3 audio with corrupted audio frames could cause unnecessary format changes to occur and disrupt playback
• Fixed: Decoding DTS audio on a CPU without SSE2 support could crash on some streams

0.61.1 - 2014/03/07

LAV Splitter

• NEW: Support for opening "icyx://" stream URLs
• Fixed: Opening of some Blu-ray discs would take several minutes and could hang the player.

LAV Video

• Fixed: Aggressive Deinterlacing is no longer applied to soft-telecined content, which caused severe playback issues.