Changes from 2.5 to 2.6¶
Additions¶
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 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¶
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.
Please report bugs at Sourceforge Avisynth 2 page - or - Doom9's Avisynth forum
$Date: 2013/05/01 00:21:32 $