AviSynth 2.6.0 RC1 [Jan 14th, 2015]

[Wilbert]

Here is the 6th official release of Avisynth 2.6!!!

Get AviSynth_150114.exe (6.21MB) from SourceForge.

I hope you will all help in testing the new features. The documentation is updated, so please check out. For the plugin writers, the FilterSDK and the c-api got a big update. I'm sure you will enjoy it. If no bugs will be found we will make it final.

Perhaps you have noted, although Ian submits stuff now and then to sourceforge, I'm not sure he will return to this forum. I'm sure you will notice if he does I marked the differences with respect to alpha5 in bold.

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Changelist

Additions
========
* 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:eleteScriptEnvironment()
* 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 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 skipping 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.

See next post for the changes.