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AviSynth -> Version History

This is the version history page for AviSynth. You can return to the main page for this software by clicking here.

Index:


Version 2.6.1 Alpha 1
  • Release Date: May 17, 2016
  • Download(s):
  • ENVIRONMENT CHANGES and UPDATES
          Update to SoundTouch 1.9.0(Wilbert+IanB).
          Update to DevIL 1.7.8
          TCPDeliver update to zlib 1.2.8 and lzo-2.09.
          TCPDeliver complete Klaus's last work for 2.6 API.
          Updated 2.6.1 VC6 build scripts.
          Initial 2.6.1 VC2005 build scripts.
          DirectShowSource add BaseClasses project to Avisynth solution.
          MSVC 2008 Express project and solution files.
          Experiment with 2K8 SSE2 build.

    CODE CHANGES
          Add offset parameter to conditional functions(Wilbert).
          Replace convert_a.asm for yuy2 to rgb.
          Redo SEH exception handling code.
          VirtualQuery/GetModuleFileName + Trap on Invoke(SEt).
          Use LoadLibraryEx/LOAD_WITH_ALTERED_SEARCH_PATH for plugins.
          Use GetVarDef() extensivly.
          Handle exceptions from DevIL.dll now being delay loaded.
          Explicitly catch stray std::bad_alloc and report.

    BUGFIXES
          Supereq gain arguments can only be int, enforce it.
          Fix handle leak with "Exists"(SEt)
          Fix VDub plugin race on cleanup
          Fix TCPDeliver crash with bad hostnames.
          Fix ShowSMPTE non-integer fps message not being thrown (raffriff42).
          Fix avisynth_c plane=0. Default params are not allowed in plain C.
          Fix MergeLuma allow any Planar test(Wilbert).
          Remove redundant self class spec from definition(Wilbert).

    ENHANCMENTS
          Evaluate Invert arguments once in Constructor not every GetFrame, Doh!
          Move matrix decision into Convert constructor, overcome exceed cacheline.

    BUILD CHANGES
          Remove msvcP*.dll dependances.
          Add AsFloatF(), compiler sugar!
          Move to /W4 compiler warnings.
          isolate void BitBlt(...) & long GetGPUFlags() functions.
          Add VDCall as __cdecl to VDub api calls
          Add __cdecl declaration to all api calls(SEt).
          Code cleanup(SEt). 
          Improve precompiled header usage.
          Use #pragma comment to control link options.
          Turn off RuntimeTypeInfo for the rest of the solution.
          Patch BaseClasses to avoid ATL/MFC dependance.
          Add build environment tags to various filenames and values.
          Amend template AVS_BUILD strings.
          Link with nothrownew.obj
          Remove writable system32\avisynth.dll dependency.
          Dodge 2005-2015 compiler bug with nested try/catch
          Fix missing advapi32.lib for debug builds.
Version 2.6.0
  • Release Date: May 31, 2015
  • Download(s):
  • Additions
    =========
    * TCPDeliver, 2.6 plugin, support all pixel types. (Wilbert) 
    * AviSource: added multiple video and audio track support. 
    * Add IScriptEnvironment::GetVarDef() nothrow version of GetVar(). 
    * Partial 2.6 update of Avisynth_C interface. 
    * Add current dwAvail{Phys, Virtual} to out of memory error message. 
    * Add #ifndef KSDATAFORMAT_SUBTYPE_{PCM IEEE_FLOAT} for newer SDK's. 
    * DirectShowSource support negotiation of non-standard MediaSubTypes "I420", "NV12", "YV24" and "YV16". 
    * AviSource and DirectShowSource support '+' prefix on pixel_type to handle bad padded planar data. 
    * Added Eval(clip, string name, string) alias for oop processing of argument.
    * DirectShowSource support non-standard pixel types "YV24" and "YV16".
    * Info: Audio only clip now creates its own canvas video.
    * AviSource: Include packed/padded processing and -ve biHeight logic for compressed input.
    * Add Script Functions :- BitLRotate, BitRRotate, BitChange, BitClear, BitSet, BitTest and their asm aliases.
    * Add WeaveRows (blit cost) and WeaveColumns (slow) frame combining filters.
    * Add AudioDuration() [as float seconds], IsY8(), IsYV411() & PixelType() [as a string] script functions.
    * Add Echo and Preroll filters.
    * Add IScriptEnvironment::GetAVSLinkage() and DLLExport AVS_linkage for host usage of avisynth.dll.
    * DirectShowSource, 2.6 plugin, support pixel types "AYUV" as YV24, "Y41P" and "Y411" as YV411.
    * AviSource: Add Full and Auto pseudo pixel_types. Full is all supported. Auto is YV12, YUY2, RGB32, RGB24 & Y8.
    * Add "AudioLengthS" [as a string], "Ord" & "FillStr" script functions.
    * Add AudioTrim(clip, float, float) audio priority trimming, args in fractional seconds.
    * Add Trim(M, Length=N[, Pad=False]) and Trim(M, End=N[, Pad=False]) function overloads for explicit Trimming. Length=0 means zero frame clip. End=0 means end at frame 0.
    * Add SeparateRows (zero cost) and SeparateColumns (slow) frame slashing filters.
    * Add Script Functions :- Acos, Asin, Atan, Atan2, Cosh, Sinh, Tanh, Fmod, Log10, BitLShift, BitRShiftS, BitRShiftU and Hex.
    * Add "ConditionalSelect","csc+[show]b" runtime filter.
    * Add dither option to Levels, RGBAdjust & Tweak.
    * Add BitAnd(), BitNot(), BitOr() & BitXor() script functions.
    * Add StrCmp() & StrCmpI() script functions.
    * Add YV24 support for Limiter show option.
    * Add "Global OPT_dwChannelMask={int}"
    * Add 0x0063F speaker mask for 7.1 WAVE_FORMAT_EXTENSIBLE.
    * Add .dll DelayLoad exception texts to crash message formatter.
    * ImageWriter, add support for printf formating of filename string, default is ("%06d.%s", n, ext);
    * Add avs_get_error(AVS_ScriptEnvironment*); to avisynth_c interface.
    * Catch and save AvisynthError text in more avisynth_c entry points, for kemuri-_9.
    * Add ScriptName(), ScriptFile(), ScriptDir() functions (WarpEnterprises).
    * Add SkewRows filter.
    * Histogram, Levels mode, Improve colour of chroma legends.
    * ConditionalFilter, teach about string results.
    * Add some more "Add/Remove Software" registry keys to the Installer (XhmikosR).
    * AviSource: Support both packed and DWORD padded raw planar input like with DSS.
    * Add IScriptEnvironment::ApplyMessage()
    * Add ImageSourceAnim (Wilbert)
    * Support user upgrade to 178 DevIL.dll (They need to manage CRT dependancies).
    * ImageSource: palette and compressed bmp images load correctly now (issue 894702) [need 178 DevIL.dll]
    * ImageSource: support for other formats like: gif, exr, jp2, psd, hdr [need 178 DevIL.dll]
    * Add YV24 mode to ColorBars.
    * Add ColorBarsHD based on arib_std_b28.
    * C-api usability enhancements from kemuri9 [Work in progress!]
    * Add Undefined(), AudioLengthLo(), AudioLengthHi(), IsYV16() & IsYV24() script functions
    * Allow newlines (and hence comments) before '{' -- Gavino
    * Added IScriptEnvironment::DeleteScriptEnvironment()
    * Added Histogram, population clamp % factor for "Levels" mode,
    * Histogram, revert "Stereo" mode to YV12, Add "StereoY8" mode,
    * AviSource: Support fourcc "GREY" as Y8
    * Added support for argument passing and EAX return value to SoftwireHelper.
    * Added "Global OPT_VDubPlanarHack=True" to flip YV24 and YV16 chroma planes for old VDub's.
    * Added "Global OPT_AVIPadScanlines=True" option for DWORD aligned planar padding
    * Added Matrix="AVERAGE" mode.
    * Added ContinuedDenominator/ContinuedNumerator(f[]i[limit]i) script functions.
    * Tweak: fix MaskPointResizing + put back Dividee ISSE code (use sse=true).
    * Added ChromaInPlacement, ChromaOutPlacement and ChromaResample options to planar colour conversions.
    * Added MaskHS.
    * Source tweaks to get ready for VC8.
    * Add Y8 for DevIL, planarize EBMP.
    * Planar support for many filters.
    * Added Info() time indicator on audio length and video (current frame & total). (2.5.8)
    * Added UtoY8 and VtoY8.
    * Added more info to Info(). (2.5.8)
    * ColorYUV: Added all adjustment parameters as conditional variables "coloryuv_SETTING". Enable by setting conditional=true.
    * ConditionalReader: Added support for type String.
    * ConditionalReader: Added offset keyword to offset all frame numbers after the keyword.
    * Added SincResize() with optional taps parameter (default is 4).
    * Added Custom band setting to SuperEQ to allow all 16 bands to be set from script. Usage: SuperEQ(clip,band1, band2, band3....) values are dB in float.
    * Added fast 0-1-0 kernel for YV24 to ConvertBacktoYUY2().
    * Added core formats: YV24, YV16, Y8, YV411.

    Bugfixes
    ========
    * Fixed missing I420 in DirectShowSource pixel type error message. 
    * Fixed VideoInfo::Is property to reference image_type (not pixel_type). 
    * Fixed YV16->YUY2 always ran both mmx and C code. 
    * Fixed YV12 Blur C code skiping left column. 
    * Fixed Conditional functions with Y8 referencing non-existant chroma. 
    * Fixed frame range clamping in ComparePlane (ultim).
    * Fixed posible leak with realloc in ConditionalReader (ultim).
    * Fixed posible double free in text-overlay (ultim).
    * Fixed RGB32 to Y8 pixel right shift from 4th pixel on (Robert Martens).
    * Fixed Overlay YV24 Image444 leak.
    * Fixed AVISource "AUTO" and "FULL" handling.
    * Fixed ImageSource handling of missing ebmp files.
    * Fixed DirectShowSource incorrect byte order for unpacking of pixel type "AYUV".
    * Fixed HexValue parsing values greater than 7FFFFFFF, now as unsigned hex.
    * Fixed ConditionalReader memory overrun parsing bools.
    * Fixed ResampleAudio NOP test to compare vi.num_audio_samples, not sample rate.
    * Fixed YV24 -> RGB24 overrun cleanup for widths%16 == 5.
    * Fixed RGB24 AddBorders with right=0.
    * Fixed conditional_functions error message names (Wilbert).
    * Fixed Audio cache ac_expected_next regression.
    * Fixed ImageSource deal with add 1 to IL_NUM_IMAGES bug (Wilbert)
    * Fixed Overlay YV24 V plane conversion.
    * Fixed Overlay YV24 mode with shared input clip, needed a MakeWritable.
    * Fixed ImageReader upside down TIFF in 178 DevIL. (Wilbert)
    * Fixed string+string bug when total length is 4096*K-1.
    * Fixed SincResize misuse of "int abs(int)" (Gavino). Fix Lanczos and Blackman sinc use of float == 0.0, use small limit "> 0.000001".
    * Fixed Classic mode legend drawing for planar right limit and yuy2 centre line.
    * Fixed possible MT race. Use "env->ManageCache(MC_IncVFBRefcount, ...)" in ProtectVFB.
    * Fixed SwapYToUV output image size bug for 3 clip case.
    * Fixed Crop limit tests for RGB.
    * Fixed Overlay yellow tint on rec601 RGB import conversion.
    * Fixed YtoUV() output image size bug for 3 clip case.
    * Fixed ConvertToPlanar chroma alignment.
    * Fixed Levels (RGB) change use of PixelClip(x) to min(max(x, 0), 255).
    * Fixed SwapYtoUV yuy2 crash (StainlessS).
    * Fixed Overlay saturate UV in add and subtract mode.
    * Fixed Info.h range protect display characters (StainlessS).
    * Fixed AviSource packed planar import chroma offsets.
    * Fixed AviSource NULL GetWritePtr() failure due to premature setting of last_frame.
    * Fixed Mask rounding in greyscale calcs (Wilbert), minor refactor.
    * Fixed SelectRangeEvery audio snafu (Gavino).
    * Fixed LoadPlugin, SaveString of result string.
    * Fixed LoadPlugin, use _vsnprintf.
    * Fixed LoadVirtualdubPlugin, don't add vdub filter to chain on load failure.
    * Fixed rounding in RGB HResize (JoshyD) (affects all resizers)
    * Fixed error message name in the filter VerticalReduceBy2
    * Fixed SeparateFields() with variable parity input clip (Wilbert)
    * Fixed AviSource, cannot cast__int64* to long*, it does not work!
    * Fixed ConditionalReader: Don't allow out of range "Range" to overwrite edge values
    * Fixed MonoToStereo with stereo sources.
    * Fixed MergeChannels with only 1 input clip.
    * Fixed AviSource support for negative height DIB format AVI's.
    * Fixed Audio cache crashes.
    * Fixed resize with YV411, missing code.
    * Fixed ConditionalReader rounding with integer interpolation.
    * Fixed Softwire SSE2 bugs.
    * Fixed SSSE3 CPU detection.
    * Fixed SSSE3, SSE4.1 & SSE4.2 detection.
    * Fixed Fastwire encoding of instructions that are >2 opcodes (SSSE3+4).
    * Fixed _RPT5() macro for debug builds

    Optimizations
    =============

    * Cache auto increase span on sparse misses.
    * Cache prevent inactive instances returning VFB early and spoiling active instances hit rate (LaTo).
    * ConvertToPlanarGeneric explicit add Cache before chroma rescaler.
    * Overlay minor refactor YV12 -> 444 chroma
    * Speedup ConvertToMono(), minor refactor MixAudio().
    * Change StackVertical/Horizontal to interative instead of recursive, 2^N performace increase for 3 and more clips, i.e. 1 blit total instead of blit(blit(blit(...
    * RGBtoY8 Dynamic ASM code, support for RGB24.
    * YV24backtoYUY2 Dynamic ASM code.
    * UtoY8, VtoY8 abuse subframe, zero cost.
    * YV24<->RGB Add SSE2 and SSSE3 code paths, get rid of wide_enough.
    * ConvertToYUY2 Add SSE2, MMX restore full speed on platforms with poor ooox.
    * ConvertAudio, manage tempbuffer and floatbuffer independantly.
    * ConvertAudio, prefer SSE2 over 3DNow for super AMD cores.
    * Info.h, full refactor, a good example of "Never look down", thx StainlessS
    * DoubleWeaveFrames, If A not writable, try to write to B, else make new frame
    * Histogram, fix GetFrame/NewVideoFrame call order
    * HResizer, interleave code +4% faster
    * YtoUV() Abuse Subframe to snatch the Y plane / UV planes, Derestrict destination colorformat autogeneration.
    * ImageSource: Improve thread interlock code
    * ConditionalReader/WriteFile: Full refactor.
    * Replace _strdup with SaveString in AddFunction (Thanks Gavino)
    * SuperEQ: Improve channel unpacking/packing code.
    * H-Resize: Use SSE4.1 (movntdqa) loads for use once memory access.
    * H-Resize: Added SSE2 horizontal unpacker.
    * Resize: Use SSE3 (lddqu) loads for unaligned memory access.
    * Added ultra fast vertical PointResizer (64 pixel/cycle).
    * Added dynamic SSSE3 vertical resizer (16 pixel/cycle) ~ twice as fast as old MMX.
    * Added dynamic SSE2 vertical resizer (16 pixel/cycle).
    * Added dynamic MMX vertical resizer (8 pixel/cycle).
    * Added SSSE3 version for RGB<->YV24 conversions.
    * Added dynamic compiled MMX/iSSE for RGB<->YV24 conversions. Speed is approx 200% of C-code.

    Changes
    =======
    * New default directory, $PROGRAMFILES\AviSynth. But it will continue to default to the previous intall dir and will use the previously existing plugin dir.
      Do a full unistall and answer YES to clearing the registry to reset to all the new defaults.
    * Menu dir is now $SMPROGRAMS\AviSynth. Will rename "AviSynth 2.5" to "AviSynth". 
    * Cache only uses extended hints if rev 6 and above. Counter bad use in rev 5. 
    * Bump AVISYNTH_INTERFACE_VERSION to 6. 
    * Changed recursive include protection #define from __AVISYNTH_H__ to __AVISYNTH_6_H__ 
    * Changed mem size elements from signed int to unsigned size_t. 
    * Removed CACHE_25_* enums. 
    * Removed AlignedPlanar, FillBorder, ConvertAudio. 
    * Change CPUF_SSE4_2 to 0x1000 to match VirtualDub. 0x800 reserved for AVX. 
    * Removed MIN_INT, MAX_INT. 
    * BMPSize() use mod 4 rowsize for all formats. 
    * LoadPlugin errs 0x7e and 0x7f have descriptive text. 
    * Import: Increase full path buffer to MAX_PATH*4 for multi char code pages like CP932 (Chikuzen).
    * Throw error when output number of frames will exceed MAXINT.
    * BlankClip: Supply useful defaults for new Audio/Video when using a Video/Audio only template clip.
    * BlankClip: Use duration from Audio only template as default length for new clip.
    * Bob: Retain parity sense of input clip.
    * Define new IClip::SetCacheHints cachehint constants.
    * Force int call arguments to user script function float params to be explicit floats.
    * Splice pass CacheHints through to both children in + and ++ mode.
    * WriteFileStart/End save current_frame and set Last.
    * ConditionalReader do not ignore syntax errors in input file.
    * ImageSourceAnim Pad/Crop images to match first frame (Wilbert)
    * ImageSource Add version to messages (Wilbert)
    * Initial 2.6 API entry point linkage.
    * Use Invoke for graph tail, enhance non-clip output error reporting.
    * PopContext when inner block Asserts/throws (maxxon).
    * Remove duplicate definitions (Wilbert).
    * Enhance non-clip output error reporting.
    * Explicitly specify calling sequence as __cdecl for Avisynth softwire routines, (was the compiler default)
    * Use env->Invoke("Cache", ...) everywhere instead of Cache::Create_Cache(), allows for Cache to be overloaded by a plugin.
    * ConvertToYUY2 Change from 0-1-1 kernel to 1-2-1 kernel.
    * Tweak make Interp same units as minSat and maxSat.
    * Check HKEY_CURRENT_USER for PluginDir first. (henktiggelaar)
    * Make forced, -ve, planar alignment of chroma planes match subsampling.
    * Enforce planar alignment restrictions.
    * C-api: Remove func sub-struct from AVS_Library struct
    * Add error code to plugin load failure message
    * Make default planar AVI output packed. Control with OPT_AVIPadScanlines=True.
    * WriteFile() now supports unlimited number of unlimited strings. (was 16 by 254 byte strings).
    * ConvertToRGB*, make C++ code sample chroma the same as the MMX code i.e. use both pixels.
    * ConvertToRGB*, use YV24 path for planar, complain when options are present for YUY2.
    * ConvertToYUY2, use YV16 path for planar, complain when options are present for RGB.
        see: http://forum.doom9.org/showthread.php?p=1378381#post1378381
    * Thread safe code, part 2.
    * Correct IClip baked documentation
    * Passify compilation error/warnings (XhmikosR)
    * for, const, extern and ansi patches for VC2008 (SEt)
    * Disable OPT_RELS_LOGGING option
    * Change implicit Last parsing for argless, bracketless calls to match bracketed cases. (Gavino)
    * DirectShowSource: Support last minute format renegotiation thru IPin::QueryAccept() & Validate the size of the provided directshow buffer.
    * Remove non ascii chars from comments.
    * Add core stubs for DirectShowSource, TCPServer & TCPSource, report when plugins are missing.
    * Add note for original source downloads - SoundTouch
    * Add more lineage history to Info()
    * Move convertaudio, alignplanar, fillborder & MIN/MAX_INT definitions.
    * Run AtExit before dismantling world.
    * Change setcachehints definition from void to int. Test IClip version >= 5.
    * Move PixelClip definition to avisynth.cpp
    * SubTitle, etc, make X & Y options float (0.125 pixel granularity).
    * ShowSMPTE() supports all integer FPS and multiplies of drop frame FPS.
    * SubTitle, stop overwriting string constants (Gavino).
    * SubTitle, improve pixel registration (Gavino).
    * Make Info() CPU display hierarchical.
    * Thread safe code, part 1.
    * SoftwireHelper: explicit hardware exception handling.
    * Resize: Moved GetResampleFunction into Resamplefuntion, to allow overrides.
    * Resampler: Removed dead stlf code.
    * Updated Soundtouch to 1.31 (2.5.8)
    * Put dynamic matrix conversion into separate file.
    * Moved chroma subsampling to image_type section.
    * Added specific error reporting when requesting chromasubsampling with Y8.
    * Split up merge and plane Swappers.
    * Split up Plane transfers into separate classes.
    * Added automatic destination colorspace detection on planar YtoUV.
    * Took out greyscale and RGB32<->RGB24 from convert.cpp and placed them in separate files.
    * All code assuming UVwidth = Ywidth/2 and similar should be gone
Version 2.6.0 RC3
  • Release Date: Apr 19, 2015
  • Download(s):

  • Changes from 2.5.8
    ==================
    AviSynth_150419.exe installer changes only from AviSynth_150331.exe

    Additions
    =========
    * TCPDeliver, 2.6 plugin, support all pixel types. (Wilbert) 
    -
    * AviSource: added multiple video and audio track support. 
    * Add IScriptEnvironment::GetVarDef() nothrow version of GetVar(). 
    * Partial 2.6 update of Avisynth_C interface. 
    * Add current dwAvail{Phys, Virtual} to out of memory error message. 
    * Add #ifndef KSDATAFORMAT_SUBTYPE_{PCM IEEE_FLOAT} for newer SDK's. 
    * DirectShowSource support negotiation of non-standard MediaSubTypes "I420", "NV12", "YV24" and "YV16". 
    * AviSource and DirectShowSource support '+' prefix on pixel_type to handle bad padded planar data. 
    * Added Eval(clip, string name, string) alias for oop processing of argument.
    * DirectShowSource support non-standard pixel types "YV24" and "YV16".
    * Info: Audio only clip now creates its own canvas video.
    * AviSource: Include packed/padded processing and -ve biHeight logic for compressed input.
    * Add Script Functions :- BitLRotate, BitRRotate, BitChange, BitClear, BitSet, BitTest and their asm aliases.
    * Add WeaveRows (blit cost) and WeaveColumns (slow) frame combining filters.
    * Add AudioDuration() [as float seconds], IsY8(), IsYV411() & PixelType() [as a string] script functions.
    * Add Echo and Preroll filters.
    * Add IScriptEnvironment::GetAVSLinkage() and DLLExport AVS_linkage for host usage of avisynth.dll.
    * DirectShowSource, 2.6 plugin, support pixel types "AYUV" as YV24, "Y41P" and "Y411" as YV411.
    * AviSource: Add Full and Auto pseudo pixel_types. Full is all supported. Auto is YV12, YUY2, RGB32, RGB24 & Y8.
    * Add "AudioLengthS" [as a string], "Ord" & "FillStr" script functions.
    * Add AudioTrim(clip, float, float) audio priority trimming, args in fractional seconds.
    * Add Trim(M, Length=N[, Pad=False]) and Trim(M, End=N[, Pad=False]) function overloads for explicit Trimming. Length=0 means zero frame clip. End=0 means end at frame 0.
    * Add SeparateRows (zero cost) and SeparateColumns (slow) frame slashing filters.
    * Add Script Functions :- Acos, Asin, Atan, Atan2, Cosh, Sinh, Tanh, Fmod, Log10, BitLShift, BitRShiftS, BitRShiftU and Hex.
    * Add "ConditionalSelect","csc+[show]b" runtime filter.
    * Add dither option to Levels, RGBAdjust & Tweak.
    * Add BitAnd(), BitNot(), BitOr() & BitXor() script functions.
    * Add StrCmp() & StrCmpI() script functions.
    * Add YV24 support for Limiter show option.
    * Add "Global OPT_dwChannelMask={int}"
    * Add 0x0063F speaker mask for 7.1 WAVE_FORMAT_EXTENSIBLE.
    * Add .dll DelayLoad exception texts to crash message formatter.
    * ImageWriter, add support for printf formating of filename string, default is ("%06d.%s", n, ext);
    * Add avs_get_error(AVS_ScriptEnvironment*); to avisynth_c interface.
    * Catch and save AvisynthError text in more avisynth_c entry points, for kemuri-_9.
    * Add ScriptName(), ScriptFile(), ScriptDir() functions (WarpEnterprises).
    * Add SkewRows filter.
    * Histogram, Levels mode, Improve colour of chroma legends.
    * ConditionalFilter, teach about string results.
    * Add some more "Add/Remove Software" registry keys to the Installer (XhmikosR).
    * AviSource: Support both packed and DWORD padded raw planar input like with DSS.
    * Add IScriptEnvironment::ApplyMessage()
    * Add ImageSourceAnim (Wilbert)
    * Support user upgrade to 178 DevIL.dll (They need to manage CRT dependancies).
    * ImageSource: palette and compressed bmp images load correctly now (issue 894702) [need 178 DevIL.dll]
    * ImageSource: support for other formats like: gif, exr, jp2, psd, hdr [need 178 DevIL.dll]
    * Add YV24 mode to ColorBars.
    * Add ColorBarsHD based on arib_std_b28.
    * C-api usability enhancements from kemuri9 [Work in progress!]
    * Add Undefined(), AudioLengthLo(), AudioLengthHi(), IsYV16() & IsYV24() script functions
    * Allow newlines (and hence comments) before '{' -- Gavino
    * Added IScriptEnvironment::DeleteScriptEnvironment()
    * Added Histogram, population clamp % factor for "Levels" mode,
    * Histogram, revert "Stereo" mode to YV12, Add "StereoY8" mode,
    * AviSource: Support fourcc "GREY" as Y8
    * Added support for argument passing and EAX return value to SoftwireHelper.
    * Added "Global OPT_VDubPlanarHack=True" to flip YV24 and YV16 chroma planes for old VDub's.
    * Added "Global OPT_AVIPadScanlines=True" option for DWORD aligned planar padding
    * Added Matrix="AVERAGE" mode.
    * Added ContinuedDenominator/ContinuedNumerator(f[]i[limit]i) script functions.
    * Tweak: fix MaskPointResizing + put back Dividee ISSE code (use sse=true).
    * Added ChromaInPlacement, ChromaOutPlacement and ChromaResample options to planar colour conversions.
    * Added MaskHS.
    * Source tweaks to get ready for VC8.
    * Add Y8 for DevIL, planarize EBMP.
    * Planar support for many filters.
    * Added Info() time indicator on audio length and video (current frame & total). (2.5.8)
    * Added UtoY8 and VtoY8.
    * Added more info to Info(). (2.5.8)
    * ColorYUV: Added all adjustment parameters as conditional variables "coloryuv_SETTING". Enable by setting conditional=true.
    * ConditionalReader: Added support for type String.
    * ConditionalReader: Added offset keyword to offset all frame numbers after the keyword.
    * Added SincResize() with optional taps parameter (default is 4).
    * Added Custom band setting to SuperEQ to allow all 16 bands to be set from script. Usage: SuperEQ(clip,band1, band2, band3....) values are dB in float.
    * Added fast 0-1-0 kernel for YV24 to ConvertBacktoYUY2().
    * Added core formats: YV24, YV16, Y8, YV411.

    Bugfixes
    ========
    * Fixed missing I420 in DirectShowSource pixel type error message. 
    -
    * Fixed VideoInfo::Is property to reference image_type (not pixel_type). 
    * Fixed YV16->YUY2 always ran both mmx and C code. 
    * Fixed YV12 Blur C code skiping left column. 
    * Fixed Conditional functions with Y8 referencing non-existant chroma. 
    * Fixed frame range clamping in ComparePlane (ultim).
    * Fixed posible leak with realloc in ConditionalReader (ultim).
    * Fixed posible double free in text-overlay (ultim).
    * Fixed RGB32 to Y8 pixel right shift from 4th pixel on (Robert Martens).
    * Fixed Overlay YV24 Image444 leak.
    * Fixed AVISource "AUTO" and "FULL" handling.
    * Fixed ImageSource handling of missing ebmp files.
    * Fixed DirectShowSource incorrect byte order for unpacking of pixel type "AYUV".
    * Fixed HexValue parsing values greater than 7FFFFFFF, now as unsigned hex.
    * Fixed ConditionalReader memory overrun parsing bools.
    * Fixed ResampleAudio NOP test to compare vi.num_audio_samples, not sample rate.
    * Fixed YV24 -> RGB24 overrun cleanup for widths%16 == 5.
    * Fixed RGB24 AddBorders with right=0.
    * Fixed conditional_functions error message names (Wilbert).
    * Fixed Audio cache ac_expected_next regression.
    * Fixed ImageSource deal with add 1 to IL_NUM_IMAGES bug (Wilbert)
    * Fixed Overlay YV24 V plane conversion.
    * Fixed Overlay YV24 mode with shared input clip, needed a MakeWritable.
    * Fixed ImageReader upside down TIFF in 178 DevIL. (Wilbert)
    * Fixed string+string bug when total length is 4096*K-1.
    * Fixed SincResize misuse of "int abs(int)" (Gavino). Fix Lanczos and Blackman sinc use of float == 0.0, use small limit "> 0.000001".
    * Fixed Classic mode legend drawing for planar right limit and yuy2 centre line.
    * Fixed possible MT race. Use "env->ManageCache(MC_IncVFBRefcount, ...)" in ProtectVFB.
    * Fixed SwapYToUV output image size bug for 3 clip case.
    * Fixed Crop limit tests for RGB.
    * Fixed Overlay yellow tint on rec601 RGB import conversion.
    * Fixed YtoUV() output image size bug for 3 clip case.
    * Fixed ConvertToPlanar chroma alignment.
    * Fixed Levels (RGB) change use of PixelClip(x) to min(max(x, 0), 255).
    * Fixed SwapYtoUV yuy2 crash (StainlessS).
    * Fixed Overlay saturate UV in add and subtract mode.
    * Fixed Info.h range protect display characters (StainlessS).
    * Fixed AviSource packed planar import chroma offsets.
    * Fixed AviSource NULL GetWritePtr() failure due to premature setting of last_frame.
    * Fixed Mask rounding in greyscale calcs (Wilbert), minor refactor.
    * Fixed SelectRangeEvery audio snafu (Gavino).
    * Fixed LoadPlugin, SaveString of result string.
    * Fixed LoadPlugin, use _vsnprintf.
    * Fixed LoadVirtualdubPlugin, don't add vdub filter to chain on load failure.
    * Fixed rounding in RGB HResize (JoshyD) (affects all resizers)
    * Fixed error message name in the filter VerticalReduceBy2
    * Fixed SeparateFields() with variable parity input clip (Wilbert)
    * Fixed AviSource, cannot cast__int64* to long*, it does not work!
    * Fixed ConditionalReader: Don't allow out of range "Range" to overwrite edge values
    * Fixed MonoToStereo with stereo sources.
    * Fixed MergeChannels with only 1 input clip.
    * Fixed AviSource support for negative height DIB format AVI's.
    * Fixed Audio cache crashes.
    * Fixed resize with YV411, missing code.
    * Fixed ConditionalReader rounding with integer interpolation.
    * Fixed Softwire SSE2 bugs.
    * Fixed SSSE3 CPU detection.
    * Fixed SSSE3, SSE4.1 & SSE4.2 detection.
    * Fixed Fastwire encoding of instructions that are >2 opcodes (SSSE3+4).
    * Fixed _RPT5() macro for debug builds

    Optimizations
    =============

    * Cache auto increase span on sparse misses.
    * Cache prevent inactive instances returning VFB early and spoiling active instances hit rate (LaTo).
    * ConvertToPlanarGeneric explicit add Cache before chroma rescaler.
    * Overlay minor refactor YV12 -> 444 chroma
    * Speedup ConvertToMono(), minor refactor MixAudio().
    * Change StackVertical/Horizontal to interative instead of recursive, 2^N performace increase for 3 and more clips, i.e. 1 blit total instead of blit(blit(blit(...
    * RGBtoY8 Dynamic ASM code, support for RGB24.
    * YV24backtoYUY2 Dynamic ASM code.
    * UtoY8, VtoY8 abuse subframe, zero cost.
    * YV24<->RGB Add SSE2 and SSSE3 code paths, get rid of wide_enough.
    * ConvertToYUY2 Add SSE2, MMX restore full speed on platforms with poor ooox.
    * ConvertAudio, manage tempbuffer and floatbuffer independantly.
    * ConvertAudio, prefer SSE2 over 3DNow for super AMD cores.
    * Info.h, full refactor, a good example of "Never look down", thx StainlessS
    * DoubleWeaveFrames, If A not writable, try to write to B, else make new frame
    * Histogram, fix GetFrame/NewVideoFrame call order
    * HResizer, interleave code +4% faster
    * YtoUV() Abuse Subframe to snatch the Y plane / UV planes, Derestrict destination colorformat autogeneration.
    * ImageSource: Improve thread interlock code
    * ConditionalReader/WriteFile: Full refactor.
    * Replace _strdup with SaveString in AddFunction (Thanks Gavino)
    * SuperEQ: Improve channel unpacking/packing code.
    * H-Resize: Use SSE4.1 (movntdqa) loads for use once memory access.
    * H-Resize: Added SSE2 horizontal unpacker.
    * Resize: Use SSE3 (lddqu) loads for unaligned memory access.
    * Added ultra fast vertical PointResizer (64 pixel/cycle).
    * Added dynamic SSSE3 vertical resizer (16 pixel/cycle) ~ twice as fast as old MMX.
    * Added dynamic SSE2 vertical resizer (16 pixel/cycle).
    * Added dynamic MMX vertical resizer (8 pixel/cycle).
    * Added SSSE3 version for RGB<->YV24 conversions.
    * Added dynamic compiled MMX/iSSE for RGB<->YV24 conversions. Speed is approx 200% of C-code.

    Changes
    =======
    * New default directory, $PROGRAMFILES\AviSynth. But it will continue to default to the previous intall dir and will use the previously existing plugin dir.
      Do a full unistall and answer YES to clearing the registry to reset to all the new defaults.
    -
    * Menu dir is now $SMPROGRAMS\AviSynth. Will rename "AviSynth 2.5" to "AviSynth". 
    * Cache only uses extended hints if rev 6 and above. Counter bad use in rev 5. 
    -
    * Bump AVISYNTH_INTERFACE_VERSION to 6. 
    * Changed recursive include protection #define from __AVISYNTH_H__ to __AVISYNTH_6_H__ 
    * Changed mem size elements from signed int to unsigned size_t. 
    * Removed CACHE_25_* enums. 
    * Removed AlignedPlanar, FillBorder, ConvertAudio. 
    * Change CPUF_SSE4_2 to 0x1000 to match VirtualDub. 0x800 reserved for AVX. 
    * Removed MIN_INT, MAX_INT. 
    * BMPSize() use mod 4 rowsize for all formats. 
    * LoadPlugin errs 0x7e and 0x7f have descriptive text. 
    * Import: Increase full path buffer to MAX_PATH*4 for multi char code pages like CP932 (Chikuzen).
    * Throw error when output number of frames will exceed MAXINT.
    * BlankClip: Supply useful defaults for new Audio/Video when using a Video/Audio only template clip.
    * BlankClip: Use duration from Audio only template as default length for new clip.
    * Bob: Retain parity sense of input clip.
    * Define new IClip::SetCacheHints cachehint constants.
    * Force int call arguments to user script function float params to be explicit floats.
    * Splice pass CacheHints through to both children in + and ++ mode.
    * WriteFileStart/End save current_frame and set Last.
    * ConditionalReader do not ignore syntax errors in input file.
    * ImageSourceAnim Pad/Crop images to match first frame (Wilbert)
    * ImageSource Add version to messages (Wilbert)
    * Initial 2.6 API entry point linkage.
    * Use Invoke for graph tail, enhance non-clip output error reporting.
    * PopContext when inner block Asserts/throws (maxxon).
    * Remove duplicate definitions (Wilbert).
    * Enhance non-clip output error reporting.
    * Explicitly specify calling sequence as __cdecl for Avisynth softwire routines, (was the compiler default)
    * Use env->Invoke("Cache", ...) everywhere instead of Cache::Create_Cache(), allows for Cache to be overloaded by a plugin.
    * ConvertToYUY2 Change from 0-1-1 kernel to 1-2-1 kernel.
    * Tweak make Interp same units as minSat and maxSat.
    * Check HKEY_CURRENT_USER for PluginDir first. (henktiggelaar)
    * Make forced, -ve, planar alignment of chroma planes match subsampling.
    * Enforce planar alignment restrictions.
    * C-api: Remove func sub-struct from AVS_Library struct
    * Add error code to plugin load failure message
    * Make default planar AVI output packed. Control with OPT_AVIPadScanlines=True.
    * WriteFile() now supports unlimited number of unlimited strings. (was 16 by 254 byte strings).
    * ConvertToRGB*, make C++ code sample chroma the same as the MMX code i.e. use both pixels.
    * ConvertToRGB*, use YV24 path for planar, complain when options are present for YUY2.
    * ConvertToYUY2, use YV16 path for planar, complain when options are present for RGB.
        see: http://forum.doom9.org/showthread.php?p=1378381#post1378381
    * Thread safe code, part 2.
    * Correct IClip baked documentation
    * Passify compilation error/warnings (XhmikosR)
    * for, const, extern and ansi patches for VC2008 (SEt)
    * Disable OPT_RELS_LOGGING option
    * Change implicit Last parsing for argless, bracketless calls to match bracketed cases. (Gavino)
    * DirectShowSource: Support last minute format renegotiation thru IPin::QueryAccept() & Validate the size of the provided directshow buffer.
    * Remove non ascii chars from comments.
    * Add core stubs for DirectShowSource, TCPServer & TCPSource, report when plugins are missing.
    * Add note for original source downloads - SoundTouch
    * Add more lineage history to Info()
    * Move convertaudio, alignplanar, fillborder & MIN/MAX_INT definitions.
    * Run AtExit before dismantling world.
    * Change setcachehints definition from void to int. Test IClip version >= 5.
    * Move PixelClip definition to avisynth.cpp
    * SubTitle, etc, make X & Y options float (0.125 pixel granularity).
    * ShowSMPTE() supports all integer FPS and multiplies of drop frame FPS.
    * SubTitle, stop overwriting string constants (Gavino).
    * SubTitle, improve pixel registration (Gavino).
    * Make Info() CPU display hierarchical.
    * Thread safe code, part 1.
    * SoftwireHelper: explicit hardware exception handling.
    * Resize: Moved GetResampleFunction into Resamplefuntion, to allow overrides.
    * Resampler: Removed dead stlf code.
    * Updated Soundtouch to 1.31 (2.5.8)
    * Put dynamic matrix conversion into separate file.
    * Moved chroma subsampling to image_type section.
    * Added specific error reporting when requesting chromasubsampling with Y8.
    * Split up merge and plane Swappers.
    * Split up Plane transfers into separate classes.
    * Added automatic destination colorspace detection on planar YtoUV.
    * Took out greyscale and RGB32<->RGB24 from convert.cpp and placed them in separate files.
    * All code assuming UVwidth = Ywidth/2 and similar should be gone.
Version 2.6.0 RC2 Version 2.6.0 RC1 Version 2.6.0 Alpha 5 Version 2.6.0 Alpha 4
  • Release Date: Jan 15, 2013
  • Download(s):
  • Changes from 2.5.8
  • Additions
    • Info: Audio only clip now creates its own canvas video.
    • AviSource: Include packed/padded processing and -ve biHeight logic for compressed input.
    • Add Script Functions :- Tau, BitLRotate, BitRRotate, BitChange, BitClear, BitSet, BitTest and their asm aliases.
    • Add WeaveRows (blit cost) and WeaveColumns (slow) frame combining filters.
    • Add AudioDuration() [as float seconds], IsY8(), IsYV411() & PixelType() [as a string] script functions.
    • Add Echo and Preroll filters.
    • Add IScriptEnvironment::GetAVSLinkage() and DLLExport AVS_linkage for host usage of avisynth.dll.
    • DirectShowSource, 2.6 plugin, support pixel types "AYUV" as YV24, "Y41P" and "Y411" as YV411.
    • AviSource: Add Full and Auto pseudo pixel_types. Full is all supported. Auto is YV12, YUY2, RGB32, RGB24 & Y8.
    • Add "AudioLengthS" [as a string], "Ord" & "FillStr" script functions.
    • Add AudioTrim(clip, float, float) audio priority trimming, args in fractional seconds.
    • Add Trim(M, Length=N[, Pad=False]) and Trim(M, End=N[, Pad=False]) function overloads for explicit Trimming. Length=0 means zero frame clip. End=0 means end at frame 0.
    • Add SeparateRows (zero cost) and SeparateColumns (slow) frame slashing filters.
    • Add Script Functions :- Acos, Asin, Atan, Atan2, Cosh, Sinh, Tanh, Fmod, Log10, BitLShift, BitRShiftS, BitRShiftU and Hex.
    • Add "ConditionalSelect","csc+[show]b" runtime filter.
    • Add dither option to Levels, RGBAdjust & Tweak.
    • Add BitAnd(), BitNot(), BitOr() & BitXor() script functions.
    • Add StrCmp() & StrCmpI() script functions.
    • Add YV24 support for Limiter show option.
    • Add "Global OPT_dwChannelMask={int}"
    • Add 0x0063F speaker mask for 7.1 WAVE_FORMAT_EXTENSIBLE.
    • Add .dll DelayLoad exception texts to crash message formatter.
    • ImageWriter, add support for printf formating of filename string, default is ("%06d.%s", n, ext);
    • Add avs_get_error(AVS_ScriptEnvironment*); to avisynth_c interface.
    • Catch and save AvisynthError text in more avisynth_c entry points, for kemuri-_9.
    • Add ScriptName(), ScriptFile(), ScriptDir() functions (WarpEnterprises).
    • Add SkewRows filter.
    • Histogram, Levels mode, Improve colour of chroma legends.
    • ConditionalFilter, teach about string results.
    • Add some more "Add/Remove Software" registry keys to the Installer (XhmikosR).
    • AviSource: Support both packed and DWORD padded raw planar input like with DSS.
    • Add IScriptEnvironment::ApplyMessage()
    • Add ImageSourceAnim (Wilbert)
    • Support user upgrade to 178 DevIL.dll (They need to manage CRT dependancies).
    • ImageSource: palette and compressed bmp images load correctly now (issue 894702) [need 178 DevIL.dll]
    • ImageSource: support for other formats like: gif, exr, jp2, psd, hdr [need 178 DevIL.dll]
    • Add YV24 mode to ColorBars.
    • Add ColorBarsHD based on arib_std_b28.
    • C-api usability enhancements from kemuri9 [Work in progress!]
    • Add Undefined(), AudioLengthLo(), AudioLengthHi(), IsYV16() & IsYV24() script functions
    • Allow newlines (and hence comments) before '{' -- Gavino
    • Added IScriptEnvironment::DeleteScriptEnvironment()
    • Added Histogram, population clamp % factor for "Levels" mode,
    • Histogram, revert "Stereo" mode to YV12, Add "StereoY8" mode,
    • AviSource: Support fourcc "GREY" as Y8
    • Added support for argument passing and EAX return value to SoftwireHelper.
    • Added "Global OPT_VDubPlanarHack=True" to flip YV24 and YV16 chroma planes for old VDub's.
    • Added "Global OPT_AVIPadScanlines=True" option for DWORD aligned planar padding
    • Added Matrix="AVERAGE" mode.
    • Added ContinuedDenominator/ContinuedNumerator(f[]i[limit]i) script functions.
    • Tweak: fix MaskPointResizing + put back Dividee ISSE code (use sse=true).
    • Added ChromaInPlacement, ChromaOutPlacement and ChromaResample options to planar colour conversions.
    • Added MaskHS.
    • Source tweaks to get ready for VC8.
    • Add Y8 for DevIL, planarize EBMP.
    • Planar support for many filters.
    • Added Info() time indicator on audio length and video (current frame & total). (2.5.8)
    • Added UtoY8 and VtoY8.
    • Added more info to Info(). (2.5.8)
    • ColorYUV: Added all adjustment parameters as conditional variables "coloryuv_SETTING". Enable by setting conditional=true.
    • ConditionalReader: Added support for type String.
    • ConditionalReader: Added offset keyword to offset all frame numbers after the keyword.
    • Added SincResize() with optional taps parameter (default is 4).
    • Added Custom band setting to SuperEQ to allow all 16 bands to be set from script. Usage: SuperEQ(clip,band1, band2, band3....) values are dB in float.
    • Added fast 0-1-0 kernel for YV24 to ConvertBacktoYUY2().
    • Added core formats: YV24, YV16, Y8, YV411.
  • Bugfixes
    • Fixed HexValue parsing values greater than 7FFFFFFF, now as unsigned hex.
    • Fixed ConditionalReader memory overrun parsing bools.
    • Fixed ResampleAudio NOP test to compare vi.num_audio_samples, not sample rate.
    • Fixed YV24 -> RGB24 overrun cleanup for widths%16 == 5.
    • Fixed RGB24 AddBorders with right=0.
    • Fixed conditional_functions error message names (Wilbert).
    • Fixed Audio cache ac_expected_next regression.
    • Fixed ImageSource deal with add 1 to IL_NUM_IMAGES bug (Wilbert)
    • Fixed Overlay YV24 V plane conversion.
    • Fixed Overlay YV24 mode with shared input clip, needed a MakeWritable.
    • Fixed ImageReader upside down TIFF in 178 DevIL. (Wilbert)
    • Fixed string+string bug when total length is 4096*K-1.
    • Fixed SincResize misuse of "int abs(int)" (Gavino). Fix Lanczos and Blackman sinc use of float == 0.0, use small limit "> 0.000001".
    • Fixed Classic mode legend drawing for planar right limit and yuy2 centre line.
    • Fixed possible MT race. Use "env->ManageCache(MC_IncVFBRefcount, ...)" in ProtectVFB.
    • Fixed SwapYToUV output image size bug for 3 clip case.
    • Fixed Crop limit tests for RGB.
    • Fixed Overlay yellow tint on rec601 RGB import conversion.
    • Fixed YtoUV() output image size bug for 3 clip case.
    • Fixed ConvertToPlanar chroma alignment.
    • Fixed Levels (RGB) change use of PixelClip(x) to min(max(x, 0), 255).
    • Fixed SwapYtoUV yuy2 crash (StainlessS).
    • Fixed Overlay saturate UV in add and subtract mode.
    • Fixed Info.h range protect display characters (StainlessS).
    • Fixed AviSource packed planar import chroma offsets.
    • Fixed AviSource NULL GetWritePtr() failure due to premature setting of last_frame.
    • Fixed Mask rounding in greyscale calcs (Wilbert), minor refactor.
    • Fixed SelectRangeEvery audio snafu (Gavino).
    • Fixed LoadPlugin, SaveString of result string.
    • Fixed LoadPlugin, use _vsnprintf.
    • Fixed LoadVirtualdubPlugin, don't add vdub filter to chain on load failure.
    • Fixed rounding in RGB HResize (JoshyD) (affects all resizers)
    • Fixed error message name in the filter VerticalReduceBy2
    • Fixed SeparateFields() with variable parity input clip (Wilbert)
    • Fixed AviSource, cannot cast__int64* to long*, it does not work!
    • Fixed ConditionalReader: Don't allow out of range "Range" to overwrite edge values
    • Fixed MonoToStereo with stereo sources.
    • Fixed MergeChannels with only 1 input clip.
    • Fixed AviSource support for negative height DIB format AVI's.
    • Fixed Audio cache crashes.
    • Fixed resize with YV411, missing code.
    • Fixed ConditionalReader rounding with integer interpolation.
    • Fixed Softwire SSE2 bugs.
    • Fixed SSSE3 CPU detection.
    • Fixed SSSE3, SSE4.1 & SSE4.2 detection.
    • Fixed Fastwire encoding of instructions that are >2 opcodes (SSSE3+4).
    • Fixed _RPT5() macro for debug builds
  • Optimizations
    • ConvertToPlanarGeneric explicit add Cache before chroma rescaler.
    • Overlay minor refactor YV12 -> 444 chroma
    • Speedup ConvertToMono(), minor refactor MixAudio().
    • Change StackVertical/Horizontal to interative instead of recursive, 2^N performace increase for 3 and more clips, i.e. 1 blit total instead of blit(blit(blit(...
    • RGBtoY8 Dynamic ASM code, support for RGB24.
    • YV24backtoYUY2 Dynamic ASM code.
    • UtoY8, VtoY8 abuse subframe, zero cost.
    • YV24<->RGB Add SSE2 and SSSE3 code paths, get rid of wide_enough.
    • ConvertToYUY2 Add SSE2, MMX restore full speed on platforms with poor ooox.
    • ConvertAudio, manage tempbuffer and floatbuffer independantly.
    • ConvertAudio, prefer SSE2 over 3DNow for super AMD cores.
    • Info.h, full refactor, a good example of "Never look down", thx StainlessS
    • DoubleWeaveFrames, If A not writable, try to write to B, else make new frame
    • Histogram, fix GetFrame/NewVideoFrame call order
    • HResizer, interleave code +4% faster
    • YtoUV() Abuse Subframe to snatch the Y plane / UV planes, Derestrict destination colorformat autogeneration.
    • ImageSource: Improve thread interlock code
    • ConditionalReader/WriteFile: Full refactor.
    • Replace _strdup with SaveString in AddFunction (Thanks Gavino)
    • SuperEQ: Improve channel unpacking/packing code.
    • H-Resize: Use SSE4.1 (movntdqa) loads for use once memory access.
    • H-Resize: Added SSE2 horizontal unpacker.
    • Resize: Use SSE3 (lddqu) loads for unaligned memory access.
    • Added ultra fast vertical PointResizer (64 pixel/cycle).
    • Added dynamic SSSE3 vertical resizer (16 pixel/cycle) ~ twice as fast as old MMX.
    • Added dynamic SSE2 vertical resizer (16 pixel/cycle).
    • Added dynamic MMX vertical resizer (8 pixel/cycle).
    • Added SSSE3 version for RGB<->YV24 conversions.
    • Added dynamic compiled MMX/iSSE for RGB<->YV24 conversions. Speed is approx 200% of C-code.
  • Changes
    • BlankClip: Supply useful defaults for new Audio/Video when using a Video/Audio only template clip.
    • BlankClip: Use duration from Audio only template as default length for new clip.
    • Define new IClip::SetCacheHints cachehint constants.
    • Force int call arguments to user script function float params to be explicit floats.
    • Splice pass CacheHints through to both children in + and ++ mode.
    • WriteFileStart/End save current_frame and set Last.
    • ConditionalReader do not ignore syntax errors in input file.
    • ImageSourceAnim Pad/Crop images to match first frame (Wilbert)
    • ImageSource Add version to messages (Wilbert)
    • Initial 2.6 API entry point linkage.
    • Use Invoke for graph tail, enhance non-clip output error reporting.
    • PopContext when inner block Asserts/throws (maxxon).
    • Remove duplicate definitions (Wilbert).
    • Enhance non-clip output error reporting.
    • Explicitly specify calling sequence as __cdecl for Avisynth softwire routines, (was the compiler default)
    • Use env->Invoke("Cache", ...) everywhere instead of Cache::Create_Cache(), allows for Cache to be overloaded by a plugin.
    • ConvertToYUY2 Change from 0-1-1 kernel to 1-2-1 kernel.
    • Tweak make Interp same units as minSat and maxSat.
    • Check HKEY_CURRENT_USER for PluginDir first. (henktiggelaar)
    • Make forced, -ve, planar alignment of chroma planes match subsampling.
    • Enforce planar alignment restrictions.
    • C-api: Remove func sub-struct from AVS_Library struct
    • Add error code to plugin load failure message
    • Make default planar AVI output packed. Control with OPT_AVIPadScanlines=True.
    • WriteFile() now supports unlimited number of unlimited strings. (was 16 by 254 byte strings).
    • ConvertToRGB*, make C++ code sample chroma the same as the MMX code i.e. use both pixels.
    • ConvertToRGB*, use YV24 path for planar, complain when options are present for YUY2.
    • ConvertToYUY2, use YV16 path for planar, complain when options are present for RGB. see: http://forum.doom9.org/showthread.php?p=1378381#post1378381
    • Thread safe code, part 2.
    • Correct IClip baked documentation
    • Passify compilation error/warnings (XhmikosR)
    • for, const, extern and ansi patches for VC2008 (SEt)
    • Disable OPT_RELS_LOGGING option
    • Change implicit Last parsing for argless, bracketless calls to match bracketed cases. (Gavino)
    • DirectShowSource: Support last minute format renegotiation thru IPin::QueryAccept() & Validate the size of the provided directshow buffer.
    • Remove non ascii chars from comments.
    • Add core stubs for DirectShowSource, TCPServer & TCPSource, report when plugins are missing.
    • Add note for original source downloads - SoundTouch
    • Add more lineage history to Info()
    • Move convertaudio, alignplanar, fillborder & MIN/MAX_INT definitions.
    • Run AtExit before dismantling world.
    • Change setcachehints definition from void to int. Test IClip version >= 5.
    • Move PixelClip definition to avisynth.cpp
    • SubTitle, etc, make X & Y options float (0.125 pixel granularity).
    • ShowSMPTE() supports all integer FPS and multiplies of drop frame FPS.
    • SubTitle, stop overwriting string constants (Gavino).
    • SubTitle, improve pixel registration (Gavino).
    • Make Info() CPU display hierarchical.
    • Thread safe code, part 1.
    • SoftwireHelper: explicit hardware exception handling.
    • Resize: Moved GetResampleFunction into Resamplefuntion, to allow overrides.
    • Resampler: Removed dead stlf code.
    • Updated Soundtouch to 1.31 (2.5.8)
    • Put dynamic matrix conversion into separate file.
    • Moved chroma subsampling to image_type section.
    • Added specific error reporting when requesting chromasubsampling with Y8.
    • Split up merge and plane Swappers.
    • Split up Plane transfers into separate classes.
    • Added automatic destination colorspace detection on planar YtoUV.
    • Took out greyscale and RGB32<->RGB24 from convert.cpp and placed them in separate files.
    • All code assuming UVwidth = Ywidth/2 and similar should be gone.
Version 2.6.0 Alpha 3
  • Release Date: May 27, 2011
  • Download(s):
  • Additions
    • Add dither option to Levels, RGBAdjust & Tweak.
    • Add BitAnd(), BitNot(), BitOr() & BitXor() script functions.
    • Add StrCmp() & StrCmpI() script functions.
    • Add YV24 support for Limiter show option.
    • Add "Global OPT_dwChannelMask={int}"
    • Add 0x0063F speaker mask for 7.1 WAVE_FORMAT_EXTENSIBLE.
    • Add .dll DelayLoad exception texts to crash message formatter.
    • ImageWriter, add support for printf formating of filename string, default is ("%06d.%s", n, ext);
    • Add avs_get_error(AVS_ScriptEnvironment*); to avisynth_c interface.
    • Catch and save AvisynthError text in more avisynth_c entry points, for kemuri-_9.
    • Add ScriptName(), ScriptFile(), ScriptDir() functions (WarpEnterprises).
    • Add SkewRows filter.
    • Histogram, Levels mode, Improve colour of chroma legends.
    • ConditionalFilter, teach about string results.
    • Add some more "Add/Remove Software" registry keys to the Installer (XhmikosR).
    • AviSource: Support both packed and DWORD padded raw planar input like with DSS.
    • Add IScriptEnvironment::ApplyMessage()
    • Add ImageSourceAnim (Wilbert)
    • Support user upgrade to 178 DevIL.dll (They need to manage CRT dependancies).
    • ImageSource: palette and compressed bmp images load correctly now (issue 894702) [need 178 DevIL.dll]
    • ImageSource: support for other formats like: gif, exr, jp2, psd, hdr [need 178 DevIL.dll]
    • Add YV24 mode to ColorBars.
    • Add ColorBarsHD based on arib_std_b28.
    • C-api usability enhancements from kemuri9 [Work in progress!]
    • Add Undefined(), AudioLengthLo(), AudioLengthHi(), IsYV16() & IsYV24() script functions
    • Allow newlines (and hence comments) before '{' -- Gavino
    • Added IScriptEnvironment::DeleteScriptEnvironment()
    • Added Histogram, population clamp % factor for "Levels" mode,
    • Histogram, revert "Stereo" mode to YV12, Add "StereoY8" mode,
    • AviSource: Support fourcc "GREY" as Y8
    • Added support for argument passing and EAX return value to SoftwireHelper.
    • Added "Global OPT_VDubPlanarHack=True" to flip YV24 and YV16 chroma planes for old VDub's.
    • Added "Global OPT_AVIPadScanlines=True" option for DWORD aligned planar padding
    • Added Matrix="AVERAGE" mode.
    • Added ContinuedDenominator/ContinuedNumerator(f[]i[limit]i) script functions.
    • Tweak: fix MaskPointResizing + put back Dividee ISSE code (use sse=true).
    • Added ChromaInPlacement, ChromaOutPlacement and ChromaResample options to planar colour conversions.
    • Added MaskHS.
    • Source tweaks to get ready for VC8.
    • Add Y8 for DevIL, planarize EBMP.
    • Planar support for many filters.
    • Added Info() time indicator on audio length and video (current frame & total). (2.5.8)
    • Added UtoY8 and VtoY8.
    • Added more info to Info(). (2.5.8)
    • ColorYUV: Added all adjustment parameters as conditional variables "coloryuv_SETTING". Enable by setting conditional=true.
    • ConditionalReader: Added support for type String.
    • ConditionalReader: Added offset keyword to offset all frame numbers after the keyword.
    • Added SincResize() with optional taps parameter (default is 4).
    • Added Custom band setting to SuperEQ to allow all 16 bands to be set from script. Usage: SuperEQ(clip,band1, band2, band3....) values are dB in float.
    • Added fast 0-1-0 kernel for YV24 to ConvertBacktoYUY2().
    • Added core formats: YV24, YV16, Y8, YV411.
  • Bugfixes
    • Fixed YtoUV() output image size bug for 3 clip case.
    • Fixed ConvertToPlanar chroma alignment.
    • Fixed Levels (RGB) change use of PixelClip(x) to min(max(x, 0), 255).
    • Fixed SwapYtoUV yuy2 crash (StainlessS).
    • Fixed Overlay saturate UV in add and subtract mode.
    • Fixed Info.h range protect display characters (StainlessS).
    • Fixed AviSource packed planar import chroma offsets.
    • Fixed AviSource NULL GetWritePtr() failure due to premature setting of last_frame.
    • Fixed Mask rounding in greyscale calcs (Wilbert), minor refactor.
    • Fixed SelectRangeEvery audio snafu (Gavino).
    • Fixed LoadPlugin, SaveString of result string.
    • Fixed LoadPlugin, use _vsnprintf.
    • Fixed LoadVirtualdubPlugin, don't add vdub filter to chain on load failure.
    • Fixed rounding in RGB HResize (JoshyD) (affects all resizers)
    • Fixed error message name in the filter VerticalReduceBy2
    • Fixed SeparateFields() with variable parity input clip (Wilbert)
    • Fixed AviSource, cannot cast__int64* to long*, it does not work!
    • Fixed ConditionalReader: Don't allow out of range "Range" to overwrite edge values
    • Fixed MonoToStereo with stereo sources.
    • Fixed MergeChannels with only 1 input clip.
    • Fixed AviSource support for negative height DIB format AVI's.
    • Fixed Audio cache crashes.
    • Fixed resize with YV411, missing code.
    • Fixed ConditionalReader rounding with integer interpolation.
    • Fixed Softwire SSE2 bugs.
    • Fixed SSSE3 CPU detection.
    • Fixed SSSE3, SSE4.1 & SSE4.2 detection.
    • Fixed Fastwire encoding of instructions that are >2 opcodes (SSSE3+4).
    • Fixed _RPT5() macro for debug builds
  • Optimizations
    • RGBtoY8 Dynamic ASM code, suport for RGB24.
    • YV24backtoYUY2 Dynamic ASM code.
    • UtoY8, VtoY8 abuse subframe, zero cost.
    • YV24<->RGB Add SSE2 and SSSE3 code paths, get rid of wide_enough.
    • ConvertToYUY2 Add SSE2, MMX restore full speed on platforms with poor ooox.
    • ConvertAudio, manage tempbuffer and floatbuffer independantly.
    • ConvertAudio, prefer SSE2 over 3DNow for super AMD cores.
    • Info.h, full refactor, a good example of "Never look down", thx StainlessS
    • DoubleWeaveFrames, If A not writable, try to write to B, else make new frame
    • Histogram, fix GetFrame/NewVideoFrame call order
    • HResizer, interleave code +4% faster
    • YtoUV() Abuse Subframe to snatch the Y plane / UV planes, Derestrict destination colorformat autogeneration.
    • ImageSource: Improve thread interlock code
    • ConditionalReader/WriteFile: Full refactor.
    • Replace _strdup with SaveString in AddFunction (Thanks Gavino)
    • SuperEQ: Improve channel unpacking/packing code.
    • H-Resize: Use SSE4.1 (movntdqa) loads for use once memory access.
    • H-Resize: Added SSE2 horizontal unpacker.
    • Resize: Use SSE3 (lddqu) loads for unaligned memory access.
    • Added ultra fast vertical PointResizer (64 pixel/cycle).
    • Added dynamic SSSE3 vertical resizer (16 pixel/cycle) ~ twice as fast as old MMX.
    • Added dynamic SSE2 vertical resizer (16 pixel/cycle).
    • Added dynamic MMX vertical resizer (8 pixel/cycle).
    • Added SSSE3 version for RGB<->YV24 conversions.
    • Added dynamic compiled MMX/iSSE for RGB<->YV24 conversions. Speed is approx 200% of C-code. Changes =======
    • ConvertToYUY2 Change from 0-1-1 kernel to 1-2-1 kernel.
    • Tweak make Interp same units as minSat and maxSat.
    • Check HKEY_CURRENT_USER for PluginDir first. (henktiggelaar)
    • Make forced, -ve, planar alignment of chroma planes match subsampling.
    • Enforce planar alignment restrictions.
    • C-api: Remove func sub-struct from AVS_Library struct
    • Add error code to plugin load failure message
    • Make default planar AVI output packed.
    • WriteFile() now supports unlimited number of unlimited strings. (was 16 by 254 byte strings).
    • ConvertToRGB*, make C++ code sample chroma the same as the MMX code i.e. use both pixels.
    • ConvertToRGB*, use YV24 path for planar, complain when options are present for YUY2.
    • ConvertToYUY2, use YV16 path for planar, complain when options are present for RGB
    • Thread safe code, part 2.
    • Correct IClip baked documentation
    • Fix at_exit executon order
    • Passify compilation error/warnings (XhmikosR)
    • for, const, extern and ansi patches for VC2008 (SEt)
    • Disable OPT_RELS_LOGGING option
    • Change implicit Last parsing for argless, bracketless calls to match bracketed cases. (Gavino) [not documented yet ???]
    • DirectShowSource: Support last minute format renegotiation thru IPin::QueryAccept() & Validate the size of the provided directshow buffer.
    • Remove non ascii chars from comments.
    • Add core stubs for DirectShowSource, TCPServer & TCPSource, report when plugins are missing.
    • Add note for original source downloads - SoundTouch
    • Add more lineage history to Info()
    • Move convertaudio, alignplanar, fillborder & MIN/MAX_INT definitions.
    • Run AtExit before dismantling world.
    • Change setcachehints definition from void to int. Test IClip version >= 5.
    • Move PixelClip definition to avisynth.cpp
    • SubTitle, etc, make X & Y options float (0.125 pixel granularity).
    • ShowSMPTE() supports all integer FPS and multiplies of drop frame FPS.
    • SubTitle, stop overwriting string constants (Gavino).
    • SubTitle, improve pixel registration (Gavino).
    • Make Info() CPU display hierarchical.
    • Thread safe code, part 1.
    • SoftwireHelper: explicit hardware exception handling.
    • Resize: Moved GetResampleFunction into Resamplefuntion, to allow overrides.
    • Resampler: Removed dead stlf code.
    • Updated Soundtouch to 1.31 (2.5.8)
    • Put dynamic matrix conversion into separate file.
    • Moved chroma subsampling to image_type section.
    • Added specific error reporting when requesting chromasubsampling with Y8.
    • Split up merge and plane Swappers.
    • Split up Plane transfers into separate classes.
    • Added automatic destination colorspace detection on planar YtoUV.
    • Took out greyscale and RGB32<->RGB24 from convert.cpp and placed them in separate files.
    • All code assuming UVwidth = Ywidth/2 and similar should be gone.
Version 2.6.0 Alpha 2 Version 2.6.0 Alpha Version 2.5.8
  • Release Date: Dec 31, 2008
  • Download(s):
  • No changes since 2.5.8 RC5. For a full list of changes since 2.5.7, please refer to this page
Version 2.5.8 RC5
  • Release Date: Dec 27, 2008
  • Download(s):
  • Includes Czech documentation.
  • Other minor documentation updates.
  • Fix YV12 regression is ShowFiveVersions()
  • Add 0.5millisecond rounding to convertfps logic n DirectShowSource()
Version 2.5.8 RC4
  • Release Date: Sep 1, 2008
Version 2.5.8 RC3
  • Release Date: Aug 1, 2008
  • 30 July 2008 Build
Version 2.5.8 RC2
  • Release Date: Jun 23, 2008
  • 22 June 2008 Build
Version 2.5.8 RC1
  • Release Date: May 28, 2008
  • 27 May 2008 Build
Version 2.5.8 Alpha 2
  • Release Date: Sep 20, 2007
  • 2007-09-19 Build
Version 2.5.7 Final
  • Release Date: Jan 8, 2007
Version 2.5.7 RC2
  • Release Date: Jan 1, 2007
  • Fix Cache of a cache of a cache .... problem (regression)
  • Have parser check for cache of a cache and skip extra instances.
  • Change ImageSource to not use a static buffer.
  • The rest as per RC-2 ....
Version 2.5.7 RC2
  • Release Date: Dec 25, 2006
  • Additions:
    • Blur()/Sharpen() MMX=False option to force use of C++ routines.
    • Explicitly try to request input sample rate from the audio codec (Tritical).
  • Bugfixes:
    • Fixed DirectShowSource greyframe regression.
    • Fixed DirectShowSource audio format negotiation regression.
    • Fixed TCPDeliver YV12 transfer 50% to much data.
    • Fixed TCPDeliver do Makewritable before getting params.
    • Fixed TCPDeliver audio transfer off by 4 bytes.
    • Fixed resizer core boundary condition crashes/errors/glitches.
    • Fixed Invert() crash with small widths.
    • Fixed small memory leak Amplify().
    • Fixed grey frames with internal start, stop, start while DSS is initializing.
    • Fixed AudioChannels() returning non-zero when no audio (Tritical).
    Optimizations:
    • TCPDeliver big buffer enhancement (retro from 2.6 stream).
    Changes:
    • TCPDeliver add icon, make all resource US English.
Version 2.5.7 RC1
  • Release Date: Sep 19, 2006
  • Please refer to this forum thread for a full list of changes
Version 2.5.7 Alpha3
  • Release Date: Apr 24, 2006
  • AviSynthDocs+257.zip and AviSynthSrc+257.zip are incremental source updates based on the last itme the public CVS server was synchronised, 30th Mar 2006.
Version 2.5.7 Alpha2
  • Release Date: Apr 6, 2006
  • This installer does not abort on registry error, to aid in debugging the current XPsp2 problem with the installer. i.e. it just stumbles on after the mesagebox, possibly leaving an invalid install. This will be restored after the problem is corrected.
  • This version has had the automatic output ConvertAudioTo16Bit disabled to ease the testing of input of WAVE_FORMAT_IEEE_FLOAT type steams. Audio Sample type float will be output as WAVE_FORMAT_IEEE_FLOAT to the host application. None of the popular application can currently handle this stream type. Add a ConvertAudioTo16Bit() to the end of your script. This will be restored for the next release.
Version 2.5.7 Alpha1
  • Release Date: Mar 28, 2006
  • Additions:
    • Added portugese translation (by RoLon), and partly french translation (by JasonFly)
    • Subtitle multi line text, set LSP arg and use \n. (foxyshadis, tateu)
    • xxxFPS("preset") string preset FPS values. (Tritical)
    • Better avisynth_c cdecl/stdcall mismatch detection and protection (Tritical).
  • Bugfixes:
    • Fixed ConvertAudio SSE2 to Float alignment test.
    • Fixed (auto)LoadPlugin altname generation. (Tritical)
    • Fixed SaveString memory block overrun.
    • Fixed $Plugin!Functionname!Param$ bug. (Fizick)
    • Fixed registry handle leak on $PluginDir$ lookup. (Dave Brueck)
    • Fixed memory leaks avisynth_c.
    • Fixed returning locked/protected VBF's to LRU. (Tritical)
    • Fixed runtime mixed SEH/C++ exception handling for XPsp2. (Tritical)
    • Fixed CAVIStreamSynth::Read audio buffer overrun. (Avery Lee)
    • Fixed DLL handle leak in LoadPlugin. (Tritical)
    • Fixed Assert("text") no longer parses % args.
    • Fixed number parser returning inaccurate float conversions.
    • Fixed ConvertFPS() blend mode not processing of chroma planes.
    • Fixed resizer resampling pattern attempted use after deletion.
    • Fixed resizer subpixel shifting functionality being a noop.
    • Fixed Info() auto font selection metric.
    • Fixed Conditional error checking of float RHS.
    • Corrected colours in YUV ColorBars, Now match BT.801-1.
    • TCPDeliver updates: Client: Fixed crash if client gets disconnected.
    • TCPDeliver updates: Server: Remember to disconnect clients when shutdown.
    • Fixed Turn*() YUY2 mod 2 height test.
    • Fixed AVISource() corrupted error messages.
    • Fixed AVISource() direct input drop frame handling.
  • Optimizations:
    • None.
  • Changes:
    • SetMemoryMax() minimum now 4Mb instead of 16. (Tritical)
    • Remove 50 plugin auto load limit. (Tritical)
    • COM QueryInterface calls now return S_OK instead of NULL.
    • Bracketless call of argless function now get a cache. (Tritical)
    • Over-range numbers now raise a compile time exception.
    • xxxFPS(float) now uses continued fraction to generate a minimal rational pair. (Raymod2)
    • ChangeFPS(linear) now raises a compile time exception if the change ratio is > 10.
    • ConvertFPS() blend mode works for all pixel formats. (Tritical)
    • Info() retrofit of 2.60 updates.
    • TCPDeliver.dll upx'ed.
    • RGB ColorBars +Q and -I bars, Hue is now correct, Luma is NOT zero to achive this.
    • AVISource Audio no longer limited to 2 channels.
    • SaveString memory blocks are now 32 bit aligned.
    • Default planar chroma planes mod 16 aligned. See SetPlanarLegacyAlignment().
Version 2.5.6a
  • Release Date: Oct 28, 2005
  • This is a minor update to the source to correct a problem in avisynth.h The installable file has been rebuilt to make sure it match the accompaning source. There are no substantive changes.
Version 2.5.6
  • Release Date: Oct 18, 2005
  • Click here to read the full changelog.

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