LAVFilters

0.79.2 - 2024/04/08
LAV Splitter

• Fixed: Buffering media from a high latency source was slower then expected (since 0.79)

LAV Audio

• Fixed: Bitstream AC3 audio could fallback to PCM on streams that start with a corrupt audio frame (since 0.78)
• Fixed: Resolved a memory leak when bitstreaming AC3

0.79.1 - 2024/03/28
LAV Video

• Fixed: Resolved a glitch when playing HEVC video

0.79.0 - 2024/03/25
LAV Splitter

• NEW: Support for demuxing VVC video
• Changed: Updated language lists to support all relevant language codes
• Changed: Improved resilience of streaming HLS
• Changed: Tweaked frame rate detection logic

LAV Video:

• NEW: Support for decoding VVC video

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
• Fixed: Clipping protection did not engage when using Integer output

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 - 2017/07/01
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 - 2017/06/15
General

• Official LAV Filters builds require a SSE2 capable CPU

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