Forked from VFR-maniac/L-SMASH-Works; hydra3333/L-SMASH-Works; l33tmeatwad/L-SMASH-Works; HolyWu/L-SMASH-Works; AkarinVS/L-SMASH-Works.
C
123
1,308 commits
updated Sep 12, 2026
README
Note about LSMASHVideoSource and LibavSMASHSource
LSMASHVideoSource/LibavSMASHSource will/can result to worse performance compared to LWLibavVideoSource/LWLibavSource if it's used for anything than previewing. (#41)
Note about the file names (Windows only)
If you have issues about the file names save the AviSynth script (.avs) as UTF-8 or just enable UTF-8 code pages in Windows (if available) - Windows Settings > Time & language > Language & region > Administrative language settings > Change system locale, and check Beta: Use Unicode UTF-8 for worldwide language support.
Note about decoding audio and video from the same file in the same script
Always prefer this order
audio = LWLibavAudioSource()
video = LWLibavVideoSource()
over this order
video = LWLibavVideoSource()
audio = LWLibavAudioSource()
In the second case the file will be scanned twice and the video info will be written twice (overwritted) in the index file.
FFmpeg
This is the recommended FFmpeg version.
CMake building options
| Option | Description | Default |
|---|---|---|
| BUILD_AVS_PLUGIN | Build plugin for AviSynth | ON |
| BUILD_VS_PLUGIN | Build plugin for VapourSynth | ON |
| BUILD_AU2_PLUGIN | Build plugin for AviUtl2 | OFF |
| ENABLE_DAV1D | Enable dav1d AV1 decoding | ON |
| dav1d_USE_STATIC_LIBS | Look for static dav1d libraries | ON |
| ENABLE_MFX | Enable Intel HW decoding | ON |
| ENABLE_XML2 | Enable DNXHD support | ON |
| ENABLE_VPX | Enable libvpx decoding | ON |
| VPX_USE_STATIC_LIBS | Look for static libvpx libraries | ON |
| ENABLE_SSE2 | Force SSE2 | ON |
| BUILD_INDEXING_TOOL | Build indexing tool | OFF |
| ZLIB_USE_STATIC_LIBS | Look for static zlib libraries | ON |
| BUILD_SHARED_LIBS | Build shared dependencies libraries (xxHash, obuparse, l-smash) | OFF |
Contributors
(top 30 of 33)
Similar repos
Languages
C
67.1%
C++
29.2%
CMake
2.9%
Forked from VFR-maniac/L-SMASH-Works; hydra3333/L-SMASH-Works; l33tmeatwad/L-SMASH-Works; HolyWu/L-SMASH-Works; AkarinVS/L-SMASH-Works.
C
123
1,308 commits
updated Sep 12, 2026
README
Note about LSMASHVideoSource and LibavSMASHSource
LSMASHVideoSource/LibavSMASHSource will/can result to worse performance compared to LWLibavVideoSource/LWLibavSource if it's used for anything than previewing. (#41)
Note about the file names (Windows only)
If you have issues about the file names save the AviSynth script (.avs) as UTF-8 or just enable UTF-8 code pages in Windows (if available) - Windows Settings > Time & language > Language & region > Administrative language settings > Change system locale, and check Beta: Use Unicode UTF-8 for worldwide language support.
Note about decoding audio and video from the same file in the same script
Always prefer this order
audio = LWLibavAudioSource()
video = LWLibavVideoSource()
over this order
video = LWLibavVideoSource()
audio = LWLibavAudioSource()
In the second case the file will be scanned twice and the video info will be written twice (overwritted) in the index file.
FFmpeg
This is the recommended FFmpeg version.
CMake building options
| Option | Description | Default |
|---|---|---|
| BUILD_AVS_PLUGIN | Build plugin for AviSynth | ON |
| BUILD_VS_PLUGIN | Build plugin for VapourSynth | ON |
| BUILD_AU2_PLUGIN | Build plugin for AviUtl2 | OFF |
| ENABLE_DAV1D | Enable dav1d AV1 decoding | ON |
| dav1d_USE_STATIC_LIBS | Look for static dav1d libraries | ON |
| ENABLE_MFX | Enable Intel HW decoding | ON |
| ENABLE_XML2 | Enable DNXHD support | ON |
| ENABLE_VPX | Enable libvpx decoding | ON |
| VPX_USE_STATIC_LIBS | Look for static libvpx libraries | ON |
| ENABLE_SSE2 | Force SSE2 | ON |
| BUILD_INDEXING_TOOL | Build indexing tool | OFF |
| ZLIB_USE_STATIC_LIBS | Look for static zlib libraries | ON |
| BUILD_SHARED_LIBS | Build shared dependencies libraries (xxHash, obuparse, l-smash) | OFF |
Similar repos
Contributors
(top 30 of 33)
Languages
C
67.1%
C++
29.2%
CMake
2.9%