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- /*
- MAA2 v0.425 mod
- =========
- Updated version of the MAA antialising script from AnimeIVTC.
- MAA2 uses tp7's SangNom2, which provide a nice speedup for SangNom-based antialiasing,
- especially when only processing the luma plane.
- The defaults of MAA2 match up with MAA, so you'll get identical output (save for the more accurate border region processing of SangNom2)
- when using this script as a drop-in replacement.
- MAA2 supports Y8, YV12, YV16 and YV24 input.
- Requirements:
- * AviSynth 2.6
- * SangNom2 0.3+ (or not with ext_aa)
- * FTurn (not necessarily required but will improve speed in avs not avs+)
- * Masktools 2
- Parameters:
- + [int] mask (1)
- * 0: Disable masking
- * 1: Enable masking
- * -i: Enable masking with custom treshold
- + [bool] chroma (false)
- * false: Don't process chroma channels (copy UV from the source clip if present)
- * true: Process chroma channels
- + [float] ss (2.0)
- * Supersampling factor (sensible values are between 2.0 and 4.0 for HD content)
- + [int] aa (48)
- * Sangnom2 luma antialiasing strength
- + [int] aac (aa-8)
- * Sangnom2 chroma antialiasing strength
- + [int] threads (4)
- * Number of threads used by every Sangnom2 instance
- + [int] show (0)
- * 0: Don't overlay mask
- * 1: Overlay mask only
- * 2: Overlay mask and run antialiasing on the luma plane
- + [int] maskt (1)
- * 1: sobel
- * 2: min/max
- + [val] ext_aa (undefined)
- * External aa clip or function to use it instead of Sangnom2, you can use nnedi3_resize16(Width*2, Height*2) then nnedi3_resize16(Width/2, Height/2) or ext_aa="""edi_rpow2(2,2, fwidth=width(c),fheight=Height(c), edi="eedi3", mclip=m,cshift="spline36resize")""" or something else according to your source
- */
- function maa2(clip c, int "mask", bool "chroma", float "ss", int "aa", int "aac", int "threads", int "show", int "maskt", val "ext_aa")
- {
- chroma = Default(chroma, false)
- mask = Default(mask, 1)
- maskt = Default(maskt, 1)
- mtresh = (mask < 0) ? -mask : 7
- show = Default(show, 0)
- uv = (chroma) ? 3 : 1
- Assert(c.IsY8 || c.IsYV12 || c.IsYV24 || c.IsYV16, "MAA2: Input must be Y8, YV12, YV16 or YV24")
- Assert(0 <= show <= 2, "MAA2: Parameter 'show' must be between 0 and 2")
- defined(ext_aa) ? Assert((Isclip(ext_aa) || IsString(ext_aa)), "'ext_aa' only accepts clip or string") : nop()
- # create mask
- (mask != 0) ? Eval("""
- m = (maskt != 1) ? c.mt_edge("min/max", 0, mtresh, 0, mtresh-6, u=uv, v=uv) : c.mt_edge("sobel", mtresh, mtresh, mtresh-6, mtresh-6, u=uv, v=uv)
- """) : nop()
- # run sangnom2-based aa
- extclip = defined(ext_aa) ? isclip(ext_aa) ? ext_aa : eval("c." + ext_aa) : nop()
- defined(ext_aa) ? Eval("c_aa=extclip") : (!chroma || show > 0) ? Eval("""
- c_aa = c.ConvertToY8().Sangnom2AA(ss, aa, threads=defined(threads) ? threads : undefined)
- """) : \
- (c.IsYV16) ? Eval("""
- c_aa_u = c.UtoY8().Sangnom2AA(ss, aac, threads)
- c_aa_v = c.VtoY8().Sangnom2AA(ss, aac, threads)
- c_aa = YToUV(c_aa_u, c_aa_v, c.ConvertToY8().Sangnom2AA(ss, aa, threads))
- """) : Eval("""
- c_aa = c.Sangnom2AA(ss, aa, aac, threads)
- """)
- # prepare chroma planes for mask overlay
- (mask != 0) ? Eval("m = m.mt_inflate(u=uv, v=uv)") : nop()
- (show == 1) ? Eval("""
- c_aa = (c.IsY8) ? c.ConvertToYV12().mt_lut(y=2, u=0, v=0)
- \ : c.mt_lut("x 2 /", y=2, u=3, v=3)
- """) : \
- (show == 2) ? Eval("""
- c_aa = (c.IsY8) ? c_aa.ConvertToYV12().mt_lut(y=2, u=0, v=0)
- \ : YtoUV(c.UtoY8(), c.VtoY8(), c_aa).mt_lut("x 2 /", y=2, u=3, v=3)
- """) : nop()
- # merge aa'ed lines into source
- (mask == 0) ? Eval("""
- return mt_logic(c_aa, "and", y=4, u=2, v=2)
- """) : \
- (show > 0) ? Eval("""
- (c.IsYV16) ? Eval("
- m_uv = BilinearResize(m, m.width/2, m.height)
- return mt_merge(c, c_aa, YtoUV(m_uv, m_uv, m), u=3, v=3)
- ") : Eval("
- return (c.IsYV24) ? mt_merge(c, c_aa, m.YtoUV(m,m), u=3, v=3)
- \ : mt_merge(c.ConvertToYV12(), c_aa, m, u=3, v=3, luma=true)
- ")
- """) : Eval("""
- return (chroma) ? mt_merge(c, c_aa, m, u=3, v=3)
- \ : mt_merge(c, c_aa, m, u=2, v=2)
- """)
- }
- function Sangnom2AA(clip c, float "ss", int "aa", int "aac", int "threads")
- {
- threads = Default(threads, 4)
- aa = Default(aa, 48)
- aac = Default(aac, aa-8)
- aac = (aac < 0) ? 0 : aac
- ss = Default(ss, 2.0)
- ss_w = int(round(c.width*ss/4.0)*4)
- ss_h = int(round(c.height*ss/4.0)*4)
- Assert(ss > 0, "MAA2: Supersampling factor must be > 0")
- c
- return Eval("""
- try { fTurnLeft() } catch(error_msg) { TurnLeft() }
- threads!=1 ? Eval("try { Spline36Resizemt(ss_h, ss_w, threads=threads) } catch(error_msg) { Spline36Resize(ss_h, ss_w) }") : Spline36Resize(ss_h, ss_w)
- SangNom2(threads=threads, aa=aa, aac=aac)
- try { fTurnRight() } catch(error_msg) { TurnRight() }
- SangNom2(threads=threads, aa=aa, aac=aac)
- threads!=1 ? Eval("try { Spline36Resizemt(c.width, c.height, threads=threads) } catch(error_msg) { Spline36Resize(c.width, c.height) }") : Spline36Resize(c.width, c.height)
- """)
- }
- function maa2ee(clip c){c.maa2(mask=-7, maskt=2, chroma=true,ext_aa="""edi_rpow2(2,2, fwidth=width(c),fheight=Height(c), edi="eedi3", mclip=m,cshift="spline36resize")""")}
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