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saschanaz/webpjs-0.0.2.modified.js

Created December 16, 2014 16:41
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webpjs-0.0.2.modified.js
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webpjs-0.0.2.modified.js
// Copyright 2011 Google Inc. \
// \
// This code is licensed under the same terms as WebM: \
// Software License Agreement: http://www.webmproject.org/license/software/ \
// Additional IP Rights Grant: http://www.webmproject.org/license/additional/ \
// ----------------------------------------------------------------------------- \
// \
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND \
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED \
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. \
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, \
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, \
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, \
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY \
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING \
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, \
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \
// \
// ----------------------------------------------------------------------------- \
// \
// Copyright 2011 Dominik Homberger \
// WebPJS 0.0.2 & Libwebp JavaScript / libwebpjs - the libwebp implementation in JavaScript \
// WebPJS 0.0.2 & Libwebp ActionScript / libwebpas - the libwebp implementation in ActionScript \
// with alpha channel support (WEBP_EXPERIMENTAL_FEATURES) \
// \
// Author: Dominik Homberger ([email protected]) \
// \
// Libwebp Decoder Library libwebpjs-0.1.3-smaller.min.js \
// WebPJS CORE 0.0.2';
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var int8_t=char_;
var uint8_t=char_;
var int16_t=short_;
var uint16_t=short_;
var int32_t=int_;
var uint32_t=int_;
var uint64_t=long_;
var int64_t=long_;
var float_=0;
var size_t=0;
var double_=0;
var score_t=int64_t;
function alert2(a){}function newObjectIt(a){
return JSON.parse(JSON.stringify(a))
}
function convertBinaryToArray(a){
var b=new Array;
var c=a.length;
for(i=0;
i<c;
++i)b.push(a.charCodeAt(i));
return b
}
function int64BitLeft(a,b){
var c=new Array;
var i;
for(i=0;
i<b;
++i)c[i]="0";
bits=a.toString(2)+""+c.join("");
return parseInt(bits,2)
}
function write32BitIn4Bytes(a,b,c){
var i;
for(i=3;
i>=0;
--i)a[b+(3-i)]=c>>8*i&255
}
function write4BytesIn32Bit(a,b){
return a[b+0]<<24|a[b+1]<<16|a[b+2]<<8|a[b+3]
}
function alert32BitIn4Bytes(a){
var i,str="";
for(i=3;
i>=0;
--i)str+=" "+(a>>8*i&255);
alert2(str)
}
function Byte2Hex(a){
return"0x"+a.toString(16)
}
function memcpy(a,b,c,d,e){
if(typeof a!="string")for(i=0;
i<e;
++i)a[b+i]=c[d+i];
else{
if(b>0)alert2("string offset is over 0");
a=c.subarray?c.subarray(d,e):c.slice(d,e);
return a
}
}
function memcpy2(a,b,c,d,e){}function memcpyArrM(b,c,d,e,f){
for(i=0;
i<f;
++i){
var g=b[c+i].length;
for(var a=0;
a<g;
++a)b[c+i][a]=d[e+i][a]
}
}
function ArrCopy(a){
var b=new Array;
var c=a.length;
for(i=0;
i<c;
++i)b.push(a[i]);
return b
}
function memset_wl(a,b){
var c=new Array;
c.push(newObjectIt(a));
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c.push(0);
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}
function memset(a,b){
var c=new Array;
for(i=0;
i<b;
++i)c.push(a);
c.push(0);
return c
}
function membuild_wl(a,b){
var c=new Array;
c.push(newObjectIt(a));
for(i=0;
i<b;
++i)c.push(newObjectIt(a));
c.push(0);
return c
}
function membuild(a,b){
var c=new Array;
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++i)c.push(a);
c.push(0);
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function memset_(a,b,c,d){
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i<d;
++i)a[b+i]=c
}
function malloc(a,b){
var c=new Array;
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c.push(0);
return c
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function mallocStr(a,b){
var c=new Array;
for(i=0;
i<a;
++i)c.push(" ");
return c.join("")
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function sizeof(a){
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}
function memcmp(a,b,s,c){
var w="";
for(i=0;
i<c;
++i)w+=String.fromCharCode(a[b+i]);
if(s==w)return 0;
else return 1
}
function Arr(a,b){
var c=new Array;
for(i=0;
i<a;
++i)c.push(b);
return c
}
function Arr_nOI(a,b){
var c=new Array;
for(i=0;
i<a;
++i)c.push(newObjectIt(b));
return c
}
function ArrM(b,c){
var d,resStr=new Array;
for(a=b.length-1;
a>=0;
--a)c=newObjectIt(Arr(b[a],c));
return c
}
function assert(a){
if(!a)throw new Error("assert :P");
}
function WebPDecoder(){
var ba=function ba(){
var bb=function(){
var D=32768;
var E=0;
var F=1;
var G=2;
var H=9;
var I=6;
var J=32768;
var K=64;
var L;
var M;
var N=null;
var O;
var P,fixed_bd;
var Q;
var R;
var S;
var T;
var U;
var V;
var W,zip_td;
var X,zip_bd;
var Y;
var Z;
var bc=new Array(0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535);
var bd=new Array(3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0);
var be=new Array(0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,99,99);
var bf=new Array(1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577);
var bg=new Array(0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13);
var bh=new Array(16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15);
var bi=function(){
this.next=null;
this.list=null
};
var bj=function(){
this.e=0;
this.b=0;
this.n=0;
this.t=null
};
var bk=function(b,n,s,d,e,l){
this.BMAX=16;
this.N_MAX=288;
this.status=0;
this.root=null;
this.m=0;
var a;
var c=new Array(this.BMAX+1);
var m;
var f;
var g;
var h;
var i;
var j;
var k;
var t=new Array(this.BMAX+1);
var p;
var A;
var q;
var r=new bj;
var u=new Array(this.BMAX);
var v=new Array(this.N_MAX);
var w;
var x=new Array(this.BMAX+1);
var B;
var y;
var z;
var o;
var C;
C=this.root=null;
for(i=0;
i<c.length;
i++)c[i]=0;
for(i=0;
i<t.length;
i++)t[i]=0;
for(i=0;
i<u.length;
i++)u[i]=null;
for(i=0;
i<v.length;
i++)v[i]=0;
for(i=0;
i<x.length;
i++)x[i]=0;
m=n>256?b[256]:this.BMAX;
p=b;
A=0;
i=n;
do{
c[p[A]]++;
A++
}
while(--i>0);
if(c[0]==n){
this.root=null;
this.m=0;
this.status=0;
return
}
for(j=1;
j<=this.BMAX;
j++)if(c[j]!=0)break;
k=j;
if(l<j)l=j;
for(i=this.BMAX;
i!=0;
i--)if(c[i]!=0)break;
g=i;
if(l>i)l=i;
for(y=1<<j;
j<i;
j++,y<<=1)if((y-=c[j])<0){
this.status=2;
this.m=l;
return
}
if((y-=c[i])<0){
this.status=2;
this.m=l;
return
}
c[i]+=y;
x[1]=j=0;
p=c;
A=1;
B=2;
while(--i>0)x[B++]=j+=p[A++];
p=b;
A=0;
i=0;
do if((j=p[A++])!=0)v[x[j]++]=i;
while(++i<n);
n=x[g];
x[0]=i=0;
p=v;
A=0;
h=-1;
w=t[0]=0;
q=null;
z=0;
for(;
k<=g;
k++){
a=c[k];
while(a-->0){
while(k>w+t[1+h]){
w+=t[1+h];
h++;
z=(z=g-w)>l?l:z;
if((f=1<<(j=k-w))>a+1){
f-=a+1;
B=k;
while(++j<z){
if((f<<=1)<=c[++B])break;
f-=c[B]
}
}
if(w+j>m&&w<m)j=m-w;
z=1<<j;
t[1+h]=j;
q=new Array(z);
for(o=0;
o<z;
o++)q[o]=new bj;
if(C==null)C=this.root=new bi;
else C=C.next=new bi;
C.next=null;
C.list=q;
u[h]=q;
if(h>0){
x[h]=i;
r.b=t[h];
r.e=16+j;
r.t=q;
j=(i&(1<<w)-1)>>w-t[h];
u[h-1][j].e=r.e;
u[h-1][j].b=r.b;
u[h-1][j].n=r.n;
u[h-1][j].t=r.t
}
}
r.b=k-w;
if(A>=n)r.e=99;
else if(p[A]<s){
r.e=p[A]<256?16:15;
r.n=p[A++]
}
else{
r.e=e[p[A]-s];
r.n=d[p[A++]-s]
}
f=1<<k-w;
for(j=i>>w;
j<z;
j+=f){
q[j].e=r.e;
q[j].b=r.b;
q[j].n=r.n;
q[j].t=r.t
}
for(j=1<<k-1;
(i&j)!=0;
j>>=1)i^=j;
i^=j;
while((i&(1<<w)-1)!=x[h]){
w-=t[h];
h--
}
}
}
this.m=t[1];
this.status=y!=0&&g!=1?1:0
};
var bl=function(){
if(Y.length==Z)return-1;
return Y[Z++]
};
var bm=function(n){
while(R<n){
Q|=bl()<<R;
R+=8
}
};
var bn=function(n){
return Q&bc[n]
};
var bo=function(n){
Q>>=n;
R-=n
};
var bp=function(a,b,c){
var e;
var t;
var n;
if(c==0)return 0;
n=0;
for(;
;
){
bm(X);
t=W.list[bn(X)];
e=t.e;
while(e>16){
if(e==99)return-1;
bo(t.b);
e-=16;
bm(e);
t=t.t[bn(e)];
e=t.e
}
bo(t.b);
if(e==16){
M&=D-1;
a[b+n++]=L[M++]=t.n;
if(n==c)return c;
continue
}
if(e==15)break;
bm(e);
U=t.n+bn(e);
bo(e);
bm(zip_bd);
t=zip_td.list[bn(zip_bd)];
e=t.e;
while(e>16){
if(e==99)return-1;
bo(t.b);
e-=16;
bm(e);
t=t.t[bn(e)];
e=t.e
}
bo(t.b);
bm(e);
V=M-t.n-bn(e);
bo(e);
while(U>0&&n<c){
U--;
V&=D-1;
M&=D-1;
a[b+n++]=L[M++]=L[V++]
}
if(n==c)return c
}
S=-1;
return n
};
var bq=function(a,b,c){
var n;
n=R&7;
bo(n);
bm(16);
n=bn(16);
bo(16);
bm(16);
if(n!=(~Q&65535))return-1;
bo(16);
U=n;
n=0;
while(U>0&&n<c){
U--;
M&=D-1;
bm(8);
a[b+n++]=L[M++]=bn(8);
bo(8)
}
if(U==0)S=-1;
return n
};
var br=function(a,b,c){
if(N==null){
var i;
var l=new Array(288);
var h;
for(i=0;
i<144;
i++)l[i]=8;
for(;
i<256;
i++)l[i]=9;
for(;
i<280;
i++)l[i]=7;
for(;
i<288;
i++)l[i]=8;
P=7;
h=new bk(l,288,257,bd,be,P);
if(h.status!=0){
alert2("HufBuild error: "+h.status);
return-1
}
N=h.root;
P=h.m;
for(i=0;
i<30;
i++)l[i]=5;
var d=5;
h=new bk(l,30,0,bf,bg,d);
if(h.status>1){
N=null;
alert2("HufBuild error: "+h.status);
return-1
}
O=h.root;
d=h.m
}
W=N;
zip_td=O;
X=P;
zip_bd=d;
return bp(a,b,c)
};
var bs=function(a,b,c){
var i;
var j;
var l;
var n;
var t;
var d;
var e;
var f;
var g=new Array(286+30);
var h;
for(i=0;
i<g.length;
i++)g[i]=0;
bm(5);
e=257+bn(5);
bo(5);
bm(5);
f=1+bn(5);
bo(5);
bm(4);
d=4+bn(4);
bo(4);
if(e>286||f>30)return-1;
for(j=0;
j<d;
j++){
bm(3);
g[bh[j]]=bn(3);
bo(3)
}
for(;
j<19;
j++)g[bh[j]]=0;
X=7;
h=new bk(g,19,19,null,null,X);
if(h.status!=0)return-1;
W=h.root;
X=h.m;
n=e+f;
i=l=0;
while(i<n){
bm(X);
t=W.list[bn(X)];
j=t.b;
bo(j);
j=t.n;
if(j<16)g[i++]=l=j;
else if(j==16){
bm(2);
j=3+bn(2);
bo(2);
if(i+j>n)return-1;
while(j-->0)g[i++]=l
}
else if(j==17){
bm(3);
j=3+bn(3);
bo(3);
if(i+j>n)return-1;
while(j-->0)g[i++]=0;
l=0
}
else{
bm(7);
j=11+bn(7);
bo(7);
if(i+j>n)return-1;
while(j-->0)g[i++]=0;
l=0
}
}
X=H;
h=new bk(g,e,257,bd,be,X);
if(X==0)h.status=1;
if(h.status!=0){
if(h.status==1);
return-1
}
W=h.root;
X=h.m;
for(i=0;
i<f;
i++)g[i]=g[i+e];
zip_bd=I;
h=new bk(g,f,0,bf,bg,zip_bd);
zip_td=h.root;
zip_bd=h.m;
if(zip_bd==0&&e>257)return-1;
if(h.status==1);
if(h.status!=0)return-1;
return bp(a,b,c)
};
var bt=function(){
var i;
if(L==null)L=new Array(2*D);
M=0;
Q=0;
R=0;
S=-1;
T=false;
U=V=0;
W=null
};
var bu=function(a,b,c){
var n,i;
n=0;
while(n<c){
if(T&&S==-1)return n;
if(U>0){
if(S!=E)while(U>0&&n<c){
U--;
V&=D-1;
M&=D-1;
a[b+n++]=L[M++]=L[V++]
}
else{
while(U>0&&n<c){
U--;
M&=D-1;
bm(8);
a[b+n++]=L[M++]=bn(8);
bo(8)
}
if(U==0)S=-1
}
if(n==c)return n
}
if(S==-1){
if(T)break;
bm(1);
if(bn(1)!=0)T=true;
bo(1);
bm(2);
S=bn(2);
bo(2);
W=null;
U=0
}
switch(S){
case 0:i=bq(a,b+n,c-n);
break;
case 1:if(W!=null)i=bp(a,b+n,c-n);
else i=br(a,b+n,c-n);
break;
case 2:if(W!=null)i=bp(a,b+n,c-n);
else i=bs(a,b+n,c-n);
break;
default:i=-1;
break
}
if(i==-1){
if(T)return 0;
return-1
}
n+=i
}
return n
};
var bv=function(a){
var i,j;
bt();
Y=a;
Z=0;
var b=[0];
var c=[];
while((i=bu(b,0,b.length))>0)c.push(b[0]);
Y=null;
return c
};
return bv
}
();
var bw=function(c){
var a=1,b=0;
var i;
var d=c.length;
var e=65521;
for(i=0;
i<d;
i+=1){
a=(a+c[i])%e;
b=(b+a)%e
}
return b<<16|a
};
var bx=function(a,b){
var i;
var c=bw(a);
var d=Deflate(a,b);
a=d;
a.unshift(120,1);
for(i=0;
i<4;
++i)a.push(c>>(3-i)*8&255);
return a
};
var by=function(a){
if(a.length<6)throw"DataError: Not enough input";
var b=bb(a.subarray?a.subarray(2,a.length-4):a.slice(2,a.length-4));
if(a.length>6&&b.length===0)throw"DataError: Unable to inflate the data";
return b
};
return{
"inflate":bb,"uncompress":by
}
}
();
var bz=2;
var bA=0,MODE_RGBA=1,MODE_BGR=2,MODE_BGRA=3,MODE_ARGB=4,MODE_RGBA_4444=5,MODE_RGB_565=6,MODE_YUV=7,MODE_YUVA=8,MODE_LAST=9;
this.WEBP_CSP_MODE={
MODE_RGB:0,MODE_RGBA:1,MODE_BGR:2,MODE_BGRA:3,MODE_ARGB:4,MODE_RGBA_4444:5,MODE_RGB_565:6,MODE_YUV:7,MODE_YUVA:8,MODE_LAST:9
};
var bB={
rgba:uint8_t,rgba_off:0,stride:int_,size:int_
};
var bC={
y:uint8_t,u:uint8_t,v:uint8_t,a:uint8_t,y_off:uint8_t,u_off:uint8_t,v_off:uint8_t,a_off:uint8_t,y_stride:int_,u_stride:int_,v_stride:int_,a_stride:int_,y_size:int_,u_size:int_,v_size:int_,a_size:int_
};
var bD={
colorspace:"WEBP_CSP_MODE",width:int_,height:int_,is_external_memory:int_,u:{
RGBA:bB,YUVA:bC
}
,private_memory:null,private_memory_off:uint8_t
};
function WebPInitDecBuffer(a){
return WebPInitDecBufferInternal(a,bz)
}
var bE=0,VP8_STATUS_OUT_OF_MEMORY=1,VP8_STATUS_INVALID_PARAM=2,VP8_STATUS_BITSTREAM_ERROR=3,VP8_STATUS_UNSUPPORTED_FEATURE=4,VP8_STATUS_SUSPENDED=5,VP8_STATUS_USER_ABORT=6,VP8_STATUS_NOT_ENOUGH_DATA=7;
this.VP8StatusCode={
VP8_STATUS_OK:0,VP8_STATUS_OUT_OF_MEMORY:1,VP8_STATUS_INVALID_PARAM:2,VP8_STATUS_BITSTREAM_ERROR:3,VP8_STATUS_UNSUPPORTED_FEATURE:4,VP8_STATUS_SUSPENDED:5,VP8_STATUS_USER_ABORT:6,VP8_STATUS_NOT_ENOUGH_DATA:7
};
var bF={
width:{
value:int_
}
,height:{
value:int_
}
,has_alpha:{
value:int_
}
,no_incremental_decoding:int_,rotate:int_,uv_sampling:int_,bitstream_version:int_
};
this.WebPGetFeatures=function(a,b,c){
return WebPGetFeaturesInternal(a,b,c,bz)
};
var bG={
bypass_filtering:int_,no_fancy_upsampling:int_,use_cropping:int_,crop_left:int_,crop_top:int_,crop_width:int_,crop_height:int_,use_scaling:int_,scaled_width:int_,scaled_height:int_,force_rotation:int_,no_enhancement:int_,use_threads:int_
};
this.WebPDecoderConfig={
input:newObjectIt(bF),output:newObjectIt(bD),options:newObjectIt(bG)
};
this.WebPInitDecoderConfig=function(a){
return WebPInitDecoderConfigInternal(a,bz)
};
var bH={
width:int_,height:int_,mb_y:int_,mb_w:int_,mb_h:int_,y:uint8_t,u:uint8_t,v:uint8_t,y_off:0,u_off:0,v_off:0,y_stride:int_,uv_stride:int_,opaque:void_,put:0,setup:0,teardown:0,fancy_upsampling:int_,data_size:uint32_t,data:uint8_t,data_off:0,bypass_filtering:int_,use_cropping:int_,crop_left:int_,crop_right:int_,crop_top:int_,crop_bottom:int_,use_scaling:int_,scaled_width:int_,scaled_height:int_,a:uint8_t,a_off:0
};
function VP8InitIo(a){
return VP8InitIoInternal(a,bz)
}
var bI={
output:newObjectIt(bD),tmp_y:uint8_t,tmp_u:uint8_t,tmp_v:uint8_t,tmp_y_off:0,tmp_u_off:0,tmp_v_off:0,last_y:int_,options_:newObjectIt(bG),memory:void_,emit:"(OutputFunc)",emit_alpha:"(OutputFunc)"
};
var bJ={
buf_:uint8_t,buf_off:null,buf_end_:uint8_t,eof_:int_,range_:uint32_t,value_:uint32_t,missing_:int_
};
function VP8Get(a){
return VP8GetValue(a,1)
}
function VP8GetByte(a){
assert(a);
if(a.buf_off<a.buf_end_){
assert(a.buf_);
return a.buf_[a.buf_off++]
}
a.eof_=1;
return 255
}
function VP8BitUpdate(a,b){
var c=uint32_t;
var d=b+1<<8;
if(a.missing_>0){
a.value_|=VP8GetByte(a)<<a.missing_;
a.missing_-=8
}
c=(a.value_>=d)+0;
if(c){
a.range_-=b+1;
a.value_-=d
}
else a.range_=b;
return c
}
function VP8Shift(a){
var b=bK[a.range_];
a.range_=bL[a.range_];
a.value_<<=b;
a.missing_+=b
}
function VP8GetBit(a,b){
var c=a.range_*b>>8;
var d=VP8BitUpdate(a,c);
if(a.range_<127)VP8Shift(a);
return d
}
function VP8GetSigned(a,v){
var b=a.range_>>1;
var c=VP8BitUpdate(a,b);
VP8Shift(a);
return c?-v:v
}
function VP8InitBitReader(a,b,c,d){
assert(a);
assert(b);
assert(d);
a.range_=255-1;
a.buf_=b;
a.buf_off=c;
a.buf_end_=d;
a.value_=0;
a.missing_=8;
a.eof_=0
}
var bK=new Array(7,6,6,5,5,5,5,4,4,4,4,4,4,4,4,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0);
var bL=new Array(127,127,191,127,159,191,223,127,143,159,175,191,207,223,239,127,135,143,151,159,167,175,183,191,199,207,215,223,231,239,247,127,131,135,139,143,147,151,155,159,163,167,171,175,179,183,187,191,195,199,203,207,211,215,219,223,227,231,235,239,243,247,251,127,129,131,133,135,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165,167,169,171,173,175,177,179,181,183,185,187,189,191,193,195,197,199,201,203,205,207,209,211,213,215,217,219,221,223,225,227,229,231,233,235,237,239,241,243,245,247,249,251,253,127);
function VP8GetValue(a,b){
var v=0;
while(b-->0)v|=VP8GetBit(a,128)<<b;
return v
}
function VP8GetSignedValue(a,b){
var c=VP8GetValue(a,b);
return VP8Get(a)?-c:c
}
var bM=0;
var bN=1;
var bO=2;
var bP=0,B_TM_PRED=1,B_VE_PRED=2,B_HE_PRED=3,B_RD_PRED=4,B_VR_PRED=5,B_LD_PRED=6,B_VL_PRED=7,B_HD_PRED=8,B_HU_PRED=9,NUM_BMODES=B_HU_PRED+1-bP,DC_PRED=bP,V_PRED=B_VE_PRED,H_PRED=B_HE_PRED,TM_PRED=B_TM_PRED,B_PRED=NUM_BMODES,B_DC_PRED_NOTOP=4,B_DC_PRED_NOLEFT=5,B_DC_PRED_NOTOPLEFT=6,NUM_B_DC_MODES=7;
var bQ=3,NUM_MB_SEGMENTS=4,NUM_REF_LF_DELTAS=4,NUM_MODE_LF_DELTAS=4,MAX_NUM_PARTITIONS=8,NUM_TYPES=4,NUM_BANDS=8,NUM_CTX=3,NUM_PROBAS=11,NUM_MV_PROBAS=19;
var bR=32;
var bS=bR*17+bR*9;
var bT=bR*17;
var bU=bR*1+8;
var bV=bU+bR*16+bR;
var bW=bV+16;
var bX={
key_frame_:uint8_t,profile_:uint8_t,show_:uint8_t,partition_length_:uint32_t
};
var bY={
width_:uint16_t,height_:uint16_t,xscale_:uint8_t,yscale_:uint8_t,colorspace_:uint8_t,clamp_type_:uint8_t
};
var bZ={
use_segment_:int_,update_map_:int_,absolute_delta_:int_,quantizer_:Arr(NUM_MB_SEGMENTS,int8_t),filter_strength_:Arr(NUM_MB_SEGMENTS,int8_t)
};
var ca={
segments_:Arr(bQ,uint8_t),coeffs_:ArrM(new Array(NUM_TYPES,NUM_BANDS,NUM_CTX,NUM_PROBAS),uint8_t)
};
var cb={
simple_:int_,level_:int_,sharpness_:int_,use_lf_delta_:int_,ref_lf_delta_:Arr(NUM_REF_LF_DELTAS,int_),mode_lf_delta_:Arr(NUM_REF_LF_DELTAS,int_)
};
var cc={
f_level_:int_,f_ilevel_:int_,f_inner_:int_
};
var cd={
nz_:int_,dc_nz_:int_,skip_:int_
};
var ce={
y1_mat_:Arr(2,uint16_t),y2_mat_:Arr(2,uint16_t),uv_mat_:Arr(2,uint16_t)
};
var cf={
id_:int_,mb_y_:int_,filter_row_:int_,f_info_:cc,io_:bH
};
var cg={
status_:"VP8StatusCode",ready_:int_,error_msg_:char_,br_:newObjectIt(bJ),frm_hdr_:newObjectIt(bX),pic_hdr_:newObjectIt(bY),filter_hdr_:newObjectIt(cb),segment_hdr_:newObjectIt(bZ),worker_:"WebPWorker",use_threads_:int_,cache_id_:int_,num_caches_:int_,thread_ctx_:cf,mb_w_:int_,mb_h_:int_,tl_mb_x_:int_,tl_mb_y_:int_,br_mb_x_:int_,br_mb_y_:int_,num_parts_:int_,parts_:Arr_nOI(MAX_NUM_PARTITIONS,bJ),buffer_flags_:uint32_t,dqm_:Arr_nOI(NUM_MB_SEGMENTS,ce),proba_:newObjectIt(ca),use_skip_proba_:int_,skip_p_:uint8_t,intra_t_:uint8_t,intra_l_:Arr(4,uint8_t),y_t_:uint8_t,u_t_:uint8_t,v_t_:uint8_t,mb_info_:newObjectIt(cd),f_info_:newObjectIt(cc),yuv_b_:uint8_t,coeffs_:int16_t,cache_y_:uint8_t,cache_u_:uint8_t,cache_v_:uint8_t,cache_y_off:int_,cache_u_off:int_,cache_v_off:int_,cache_y_stride_:int_,cache_uv_stride_:int_,mem_:void_,mem_size_:int_,mb_x_:int_,mb_y_:int_,is_i4x4_:uint8_t,imodes_:Arr(16,uint8_t),imodes_offset_:0,uvmode_:uint8_t,segment_:uint8_t,non_zero_:uint32_t,non_zero_ac_:uint32_t,filter_type_:int_,filter_row_:int_,filter_levels_:Arr(NUM_MB_SEGMENTS,uint8_t),alpha_data_:uint8_t,alpha_data_off:0,alpha_data_size_:size_t,alpha_plane_:uint8_t,alpha_plane_off:0,layer_colorspace_:int_,layer_data_:uint8_t,layer_data_off:0,layer_data_size_:size_t
};
function VP8DecompressAlphaRows(a,b,c){
var d=a.alpha_plane_;
var e=a.pic_hdr_.width_;
if(b<0||b+c>a.pic_hdr_.height_)return null;
if(b==0){
var f=a.alpha_data_;
var g=a.alpha_data_off;
var h=a.alpha_data_size_;
var i=e*a.pic_hdr_.height_;
d=ba.uncompress(f.subarray?f.subarray(g,g+h):f.slice(g,g+h))
}
return b==0?d:+b*e
}
var ci=new Array(3,4,3,4,4,2,2,1,1);
function CheckDecBuffer(a){
var b=1;
var c=a.colorspace;
var d=a.width;
var e=a.height;
if(c>=MODE_YUV);
else{
var f=a.u.RGBA;
b&=f.stride*e<=f.size;
b&=f.stride>=d*ci[c]
}
return b?bE:VP8_STATUS_INVALID_PARAM
}
function AllocateBuffer(a){
var w=a.width;
var h=a.height;
if(w<=0||h<=0)return VP8_STATUS_INVALID_PARAM;
if(!a.is_external_memory&&a.private_memory==null){
var b=uint8_t;
var c=0;
var d=a.colorspace;
var e=int_;
var f=0,a_stride=0;
var g=0;
var i=uint64_t,a_size=0,total_size=uint64_t;
e=w*ci[d];
i=e*h;
if(d>=MODE_YUV){
f=parseInt((w+1)/2);
g=f*parseInt((h+1)/2);
if(d==MODE_YUVA){
a_stride=w;
a_size=a_stride*h
}
}
total_size=i+2*g+a_size;
if(total_size!=total_size)return VP8_STATUS_INVALID_PARAM;
a.private_memory=b=malloc(total_size,size_t);
a.private_memory_off=c=0;
if(b==null)return VP8_STATUS_OUT_OF_MEMORY;
if(d>=MODE_YUV);
else{
var j=a.u.RGBA;
j.rgba=b;
j.rgba_off=c;
j.stride=e;
j.size=i
}
}
return CheckDecBuffer(a)
}
function WebPAllocateDecBuffer(w,h,a,b){
if(b==null||w<=0||h<=0)return VP8_STATUS_INVALID_PARAM;
b.width=w;
b.height=h;
return AllocateBuffer(b)
}
function WebPInitDecBufferInternal(a,b){
if(b!=bz)return 0;
if(!a)return 0;
memset_(a,0,0,sizeof(a)*a.length);
return 1
}
this.WebPFreeDecBuffer=function(a){
if(a){
if(!a.is_external_memory)a.private_memory="";
a.private_memory_off=0;
a.private_memory=a.private_memory_off=null
}
};
function WebPCopyDecBuffer(a,b){
alert2("todo: WebPCopyDecBuffer")
}
function WebPGrabDecBuffer(a,b){
alert2("todo: WebPGrabDecBuffer")
}
function VP8DecodeLayer(a){
assert(a);
assert(a.layer_data_size_>0);
return 1
}
var cj=Arr(255+255+1,uint8_t);
var ck=Arr(255+255+1,uint8_t);
var cl=Arr(1020+1020+1,int8_t);
var cm=Arr(112+112+1,int8_t);
var cn=Arr(255+510+1,uint8_t);
var co=0;
function VP8DspInitTables(a){
if(!co){
var i;
for(i=-255;
i<=255;
++i){
cj[255+i]=i<0?-i:i;
ck[255+i]=cj[255+i]>>1
}
for(i=-1020;
i<=1020;
++i)cl[1020+i]=i<-128?-128:i>127?127:i;
for(i=-112;
i<=112;
++i)cm[112+i]=i<-16?-16:i>15?15:i;
for(i=-255;
i<=255+255;
++i)cn[255+i]=i<0?0:i>255?255:i;
co=1
}
}
function clip_8b(v){
return!(v&~255)?v:v<0?0:255
}
function STORE(x,y,v){
dst[dst_off+x+y*bR]=clip_8b(dst_off+dst[x+y*bR]+(v>>3))
}
var cp=20091+(1<<16);
var cq=35468;
function MUL(a,b){
return a*b>>16
}
function TransformOne(e,f,g,h){
var C=Arr(4*4,0),tmp,tmp_off;
tmp_off=0;
var i;
tmp=C;
for(i=0;
i<4;
++i){
var a=e[f+0]+e[f+8];
var b=e[f+0]-e[f+8];
var c=MUL(e[f+4],cq)-MUL(e[f+12],cp);
var d=MUL(e[f+4],cp)+MUL(e[f+12],cq);
tmp[tmp_off+0]=a+d;
tmp[tmp_off+1]=b+c;
tmp[tmp_off+2]=b-c;
tmp[tmp_off+3]=a-d;
tmp_off+=4;
f++
}
tmp_off=0;
for(i=0;
i<4;
++i){
var j=tmp[tmp_off+0]+4;
var a=j+tmp[tmp_off+8];
var b=j-tmp[tmp_off+8];
var c=MUL(tmp[tmp_off+4],cq)-MUL(tmp[tmp_off+12],cp);
var d=MUL(tmp[tmp_off+4],cp)+MUL(tmp[tmp_off+12],cq);
g[h+0+0*bR]=clip_8b(g[h+0+0*bR]+(a+d>>3));
g[h+1+0*bR]=clip_8b(g[h+1+0*bR]+(b+c>>3));
g[h+2+0*bR]=clip_8b(g[h+2+0*bR]+(b-c>>3));
g[h+3+0*bR]=clip_8b(g[h+3+0*bR]+(a-d>>3));
tmp_off++;
h+=bR
}
}
function TransformTwo(a,b,c,d,e){
TransformOne(a,b,c,d);
if(e)TransformOne(a,b+16,c,d+4)
}
function TransformUV(a,b,c,d){
cu(a,b+0*16,c,d+0,1);
cu(a,b+2*16,c,d+4*bR,1)
}
function TransformDC(a,b,c,d){
var e=a[b+0]+4;
var i,j;
for(j=0;
j<4;
++j)for(i=0;
i<4;
++i){
var f=c[d+i+j*bR];
c[d+i+j*bR]=clip_8b(c[d+i+j*bR]+(e>>3))
}
}
function TransformDCUV(a,b,c,d){
if(a[b+0*16])TransformDC(a,b+0*16,c,d+0);
if(a[b+1*16])TransformDC(a,b+1*16,c,d+4);
if(a[b+2*16])TransformDC(a,b+2*16,c,d+4*bR);
if(a[b+3*16])TransformDC(a,b+3*16,c,d+4*bR+4)
}
function TransformWHT(a,b){
var c=Arr(16,int_);
var i=int_;
for(i=0;
i<4;
++i){
var d=a[0+i]+a[12+i];
var e=a[4+i]+a[8+i];
var f=a[4+i]-a[8+i];
var g=a[0+i]-a[12+i];
c[0+i]=d+e;
c[8+i]=d-e;
c[4+i]=g+f;
c[12+i]=g-f
}
for(i=0;
i<4;
++i){
var h=b[b.length-1];
var j=c[0+i*4]+3;
var d=j+c[3+i*4];
var e=c[1+i*4]+c[2+i*4];
var f=c[1+i*4]-c[2+i*4];
var g=j-c[3+i*4];
b[h+0]=d+e>>3;
b[h+16]=g+f>>3;
b[h+32]=d-e>>3;
b[h+48]=g-f>>3;
b[b.length-1]+=64
}
}
function VP8TransformWHT(a,b){
TransformWHT(a,b)
}
function OUT(x,y){
dst[x+y*bR]
}
function TrueMotion(a,b,c){
var d=a;
var e=b-bR;
var f=cn;
var g=+255-d[e-1];
var y;
for(y=0;
y<c;
++y){
var h=f;
var i=g+a[b-1];
var x;
for(x=0;
x<c;
++x)a[b+x]=h[i+d[e+x]];
b+=bR
}
}
function TM4(a,b){
TrueMotion(a,b,4)
}
function TM8uv(a,b){
TrueMotion(a,b,8)
}
function TM16(a,b){
TrueMotion(a,b,16)
}
function VE16(a,b){
var j;
for(j=0;
j<16;
++j)memcpy(a,b+j*bR,a,b-bR,16)
}
function HE16(a,b){
var j;
for(j=16;
j>0;
--j){
memset_(a,b+0,a[b-1],16);
b+=bR
}
}
function Put16(v,a,b){
var j;
for(j=0;
j<16;
++j)for(i=0;
i<16;
++i)a[b+j*bR+i]=v
}
function DC16(a,b){
var c=16;
var j;
for(j=0;
j<16;
++j)c+=a[b-1+j*bR]+a[b+j-bR];
Put16(c>>5,a,b)
}
function DC16NoTop(a,b){
var c=8;
var j;
for(j=0;
j<16;
++j)c+=a[b-1+j*bR];
Put16(c>>4,a,b)
}
function DC16NoLeft(a,b){
var c=8;
var i;
for(i=0;
i<16;
++i)c+=a[b+i-bR];
Put16(c>>4,a,b)
}
function DC16NoTopLeft(a,b){
Put16(128,a,b)
}
function AVG3(a,b,c){
return a+2*b+c+2>>2
}
function AVG2(a,b){
return a+b+1>>1
}
function VE4(a,b){
var c=a;
var d=b-bR;
var e=new Array;
e.push(AVG3(c[d-1],c[d+0],c[d+1]));
e.push(AVG3(c[d+0],c[d+1],c[d+2]));
e.push(AVG3(c[d+1],c[d+2],c[d+3]));
e.push(AVG3(c[d+2],c[d+3],c[d+4]));
var i;
for(i=0;
i<4;
++i)memcpy(a,b+i*bR,e,0,4*sizeof(e))
}
function HE4(a,b){
var A=a[b-1-bR];
var B=a[b-1];
var C=a[b-1+bR];
var D=a[b-1+2*bR];
var E=a[b-1+3*bR];
a[b+0+0*bR]=a[b+1+0*bR]=a[b+2+0*bR]=a[b+3+0*bR]=AVG3(A,B,C);
a[b+0+1*bR]=a[b+1+1*bR]=a[b+2+1*bR]=a[b+3+1*bR]=AVG3(B,C,D);
a[b+0+2*bR]=a[b+1+2*bR]=a[b+2+2*bR]=a[b+3+2*bR]=AVG3(C,D,E);
a[b+0+3*bR]=a[b+1+3*bR]=a[b+2+3*bR]=a[b+3+3*bR]=AVG3(D,E,E)
}
function DC4(a,b){
var c=4;
var i;
for(i=0;
i<4;
++i)c+=a[b+i-bR]+a[b-1+i*bR];
c>>=3;
for(i=0;
i<4;
++i)memset_(a,b+i*bR,c,4)
}
function RD4(a,b){
var I=a[b-1+0*bR];
var J=a[b-1+1*bR];
var K=a[b-1+2*bR];
var L=a[b-1+3*bR];
var X=a[b-1-bR];
var A=a[b+0-bR];
var B=a[b+1-bR];
var C=a[b+2-bR];
var D=a[b+3-bR];
a[b+0+3*bR]=AVG3(J,K,L);
a[b+0+2*bR]=a[b+1+3*bR]=AVG3(I,J,K);
a[b+0+1*bR]=a[b+1+2*bR]=a[b+2+3*bR]=AVG3(X,I,J);
a[b+0+0*bR]=a[b+1+1*bR]=a[b+2+2*bR]=a[b+3+3*bR]=AVG3(A,X,I);
a[b+1+0*bR]=a[b+2+1*bR]=a[b+3+2*bR]=AVG3(B,A,X);
a[b+2+0*bR]=a[b+3+1*bR]=AVG3(C,B,A);
a[b+3+0*bR]=AVG3(D,C,B)
}
function LD4(a,b){
var A=a[b+0-bR];
var B=a[b+1-bR];
var C=a[b+2-bR];
var D=a[b+3-bR];
var E=a[b+4-bR];
var F=a[b+5-bR];
var G=a[b+6-bR];
var H=a[b+7-bR];
a[b+0+0*bR]=AVG3(A,B,C);
a[b+1+0*bR]=a[b+0+1*bR]=AVG3(B,C,D);
a[b+2+0*bR]=a[b+1+1*bR]=a[b+0+2*bR]=AVG3(C,D,E);
a[b+3+0*bR]=a[b+2+1*bR]=a[b+1+2*bR]=a[b+0+3*bR]=AVG3(D,E,F);
a[b+3+1*bR]=a[b+2+2*bR]=a[b+1+3*bR]=AVG3(E,F,G);
a[b+3+2*bR]=a[b+2+3*bR]=AVG3(F,G,H);
a[b+3+3*bR]=AVG3(G,H,H)
}
function VR4(a,b){
var I=a[b-1+0*bR];
var J=a[b-1+1*bR];
var K=a[b-1+2*bR];
var X=a[b-1-bR];
var A=a[b+0-bR];
var B=a[b+1-bR];
var C=a[b+2-bR];
var D=a[b+3-bR];
a[b+0+0*bR]=a[b+1+2*bR]=AVG2(X,A);
a[b+1+0*bR]=a[b+2+2*bR]=AVG2(A,B);
a[b+2+0*bR]=a[b+3+2*bR]=AVG2(B,C);
a[b+3+0*bR]=AVG2(C,D);
a[b+0+3*bR]=AVG3(K,J,I);
a[b+0+2*bR]=AVG3(J,I,X);
a[b+0+1*bR]=a[b+1+3*bR]=AVG3(I,X,A);
a[b+1+1*bR]=a[b+2+3*bR]=AVG3(X,A,B);
a[b+2+1*bR]=a[b+3+3*bR]=AVG3(A,B,C);
a[b+3+1*bR]=AVG3(B,C,D)
}
function VL4(a,b){
var A=a[b+0-bR];
var B=a[b+1-bR];
var C=a[b+2-bR];
var D=a[b+3-bR];
var E=a[b+4-bR];
var F=a[b+5-bR];
var G=a[b+6-bR];
var H=a[b+7-bR];
a[b+0+0*bR]=AVG2(A,B);
a[b+1+0*bR]=a[b+0+2*bR]=AVG2(B,C);
a[b+2+0*bR]=a[b+1+2*bR]=AVG2(C,D);
a[b+3+0*bR]=a[b+2+2*bR]=AVG2(D,E);
a[b+0+1*bR]=AVG3(A,B,C);
a[b+1+1*bR]=a[b+0+3*bR]=AVG3(B,C,D);
a[b+2+1*bR]=a[b+1+3*bR]=AVG3(C,D,E);
a[b+3+1*bR]=a[b+2+3*bR]=AVG3(D,E,F);
a[b+3+2*bR]=AVG3(E,F,G);
a[b+3+3*bR]=AVG3(F,G,H)
}
function HU4(a,b){
var I=a[b-1+0*bR];
var J=a[b-1+1*bR];
var K=a[b-1+2*bR];
var L=a[b-1+3*bR];
a[b+0+0*bR]=AVG2(I,J);
a[b+2+0*bR]=a[b+0+1*bR]=AVG2(J,K);
a[b+2+1*bR]=a[b+0+2*bR]=AVG2(K,L);
a[b+1+0*bR]=AVG3(I,J,K);
a[b+3+0*bR]=a[b+1+1*bR]=AVG3(J,K,L);
a[b+3+1*bR]=a[b+1+2*bR]=AVG3(K,L,L);
a[b+3+2*bR]=a[b+2+2*bR]=a[b+0+3*bR]=a[b+1+3*bR]=a[b+2+3*bR]=a[b+3+3*bR]=L
}
function HD4(a,b){
var I=a[b-1+0*bR];
var J=a[b-1+1*bR];
var K=a[b-1+2*bR];
var L=a[b-1+3*bR];
var X=a[b-1-bR];
var A=a[b+0-bR];
var B=a[b+1-bR];
var C=a[b+2-bR];
a[b+0+0*bR]=a[b+2+1*bR]=AVG2(I,X);
a[b+0+1*bR]=a[b+2+2*bR]=AVG2(J,I);
a[b+0+2*bR]=a[b+2+3*bR]=AVG2(K,J);
a[b+0+3*bR]=AVG2(L,K);
a[b+3+0*bR]=AVG3(A,B,C);
a[b+2+0*bR]=AVG3(X,A,B);
a[b+1+0*bR]=a[b+3+1*bR]=AVG3(I,X,A);
a[b+1+1*bR]=a[b+3+2*bR]=AVG3(J,I,X);
a[b+1+2*bR]=a[b+3+3*bR]=AVG3(K,J,I);
a[b+1+3*bR]=AVG3(L,K,J)
}
function VE8uv(a,b){
var j;
for(j=0;
j<8;
++j)memcpy(a,b+j*bR,a,b-bR,8)
}
function HE8uv(a,b){
var j;
for(j=0;
j<8;
++j){
memset_(a,b+0,a[b-1],8);
b+=bR
}
}
function Put8x8uv(v,a,b){
var j,k;
for(j=0;
j<8;
++j)for(k=0;
k<8;
++k)a[b+k+j*bR]=v
}
function DC8uv(a,b){
var c=8;
var i;
for(i=0;
i<8;
++i)c+=a[b+i-bR]+a[b-1+i*bR];
Put8x8uv((c>>4)*1,a,b)
}
function DC8uvNoLeft(a,b){
var c=4;
var i;
for(i=0;
i<8;
++i)c+=a[b+i-bR];
Put8x8uv((c>>3)*1,a,b)
}
function DC8uvNoTop(a,b){
var c=4;
var i;
for(i=0;
i<8;
++i)c+=a[b-1+i*bR];
Put8x8uv((c>>3)*1,a,b)
}
function DC8uvNoTopLeft(a,b){
Put8x8uv(128,a,b)
}
var cr=new Array(function(v,o){
DC4(v,o)
}
,function(v,o){
TM4(v,o)
}
,function(v,o){
VE4(v,o)
}
,function(v,o){
HE4(v,o)
}
,function(v,o){
RD4(v,o)
}
,function(v,o){
VR4(v,o)
}
,function(v,o){
LD4(v,o)
}
,function(v,o){
VL4(v,o)
}
,function(v,o){
HD4(v,o)
}
,function(v,o){
HU4(v,o)
});
var cs=new Array(function(v,o){
DC16(v,o)
}
,function(v,o){
TM16(v,o)
}
,function(v,o){
VE16(v,o)
}
,function(v,o){
HE16(v,o)
}
,function(v,o){
DC16NoTop(v,o)
}
,function(v,o){
DC16NoLeft(v,o)
}
,function(v,o){
DC16NoTopLeft(v,o)
});
var ct=new Array(function(v,o){
DC8uv(v,o)
}
,function(v,o){
TM8uv(v,o)
}
,function(v,o){
VE8uv(v,o)
}
,function(v,o){
HE8uv(v,o)
}
,function(v,o){
DC8uvNoTop(v,o)
}
,function(v,o){
DC8uvNoLeft(v,o)
}
,function(v,o){
DC8uvNoTopLeft(v,o)
});
function do_filter2(p,b,c){
var d=p[b-2*c],p0=p[b-c],q0=p[b+0],q1=p[b+c];
var a=3*(q0-p0)+cl[1020+d-q1];
var e=cm[112+(a+4>>3)];
var f=cm[112+(a+3>>3)];
p[b-c]=cn[255+p0+f];
p[b+0]=cn[255+q0-e]
}
function do_filter4(p,b,c){
var d=p[b-2*c],p0=p[b-c],q0=p[b+0],q1=p[b+c];
var a=3*(q0-p0);
var e=cm[112+(a+4>>3)];
var f=cm[112+(a+3>>3)];
var g=e+1>>1;
p[b-2*c]=cn[255+d+g];
p[b-c]=cn[255+p0+f];
p[b+0]=cn[255+q0-e];
p[b+c]=cn[255+q1-g]
}
function do_filter6(p,b,c){
var d=p[b-3*c],p1=p[b-2*c],p0=p[b-c];
var e=p[b+0],q1=p[b+c],q2=p[b+2*c];
var a=cl[1020+3*(e-p0)+cl[1020+p1-q1]];
var f=27*a+63>>7;
var g=18*a+63>>7;
var h=9*a+63>>7;
p[b-3*c]=cn[255+d+h];
p[b-2*c]=cn[255+p1+g];
p[b-c]=cn[255+p0+f];
p[b+0]=cn[255+e-f];
p[b+c]=cn[255+q1-g];
p[b+2*c]=cn[255+q2-h]
}
function hev(p,a,b,c){
var d=p[a-2*b],p0=p[a-b],q0=p[a+0],q1=p[a+b];
return cj[255+d-p0]>c||cj[255+q1-q0]>c
}
function needs_filter(p,a,b,c){
var d=p[a-2*b],p0=p[a-b],q0=p[a+0],q1=p[a+b];
return 2*cj[255+p0-q0]+ck[255+d-q1]<=c
}
function needs_filter2(p,a,b,t,c){
var d=p[a-4*b],p2=p[a-3*b],p1=p[a-2*b],p0=p[a-b];
var e=p[a+0],q1=p[a+b],q2=p[a+2*b],q3=p[a+3*b];
if(2*cj[255+p0-e]+ck[255+p1-q1]>t)return 0;
return cj[255+d-p2]<=c&&cj[255+p2-p1]<=c&&cj[255+p1-p0]<=c&&cj[255+q3-q2]<=c&&cj[255+q2-q1]<=c&&cj[255+q1-e]<=c
}
function SimpleVFilter16(p,a,b,c){
var i;
for(i=0;
i<16;
++i)if(needs_filter(p,a+i,b,c))do_filter2(p,a+i,b)
}
function SimpleHFilter16(p,a,b,c){
var i;
for(i=0;
i<16;
++i)if(needs_filter(p,a+i*b,1,c))do_filter2(p,a+i*b,1)
}
function SimpleVFilter16i(p,a,b,c){
var k;
for(k=3;
k>0;
--k){
a+=4*b;
SimpleVFilter16(p,a+0,b,c)
}
}
function SimpleHFilter16i(p,a,b,c){
var k;
for(k=3;
k>0;
--k){
a+=4;
SimpleHFilter16(p,a+0,b,c)
}
}
function FilterLoop26(p,a,b,c,d,e,f,g){
while(d-->0){
if(needs_filter2(p,a+0,b,e,f))if(hev(p,a+0,b,g))do_filter2(p,a+0,b);
else do_filter6(p,a+0,b);
a+=c
}
}
function FilterLoop24(p,a,b,c,d,e,f,g){
while(d-->0){
if(needs_filter2(p,a+0,b,e,f))if(hev(p,a+0,b,g))do_filter2(p,a+0,b);
else do_filter4(p,a+0,b);
a+=c
}
}
function VFilter16(p,a,b,c,d,e){
FilterLoop26(p,a+0,b,1,16,c,d,e)
}
function HFilter16(p,a,b,c,d,e){
FilterLoop26(p,a+0,1,b,16,c,d,e)
}
function VFilter16i(p,a,b,c,d,e){
var k;
for(k=3;
k>0;
--k){
a+=4*b;
FilterLoop24(p,a+0,b,1,16,c,d,e)
}
}
function HFilter16i(p,a,b,c,d,e){
var k;
for(k=3;
k>0;
--k){
a+=4;
FilterLoop24(p,a+0,1,b,16,c,d,e)
}
}
function VFilter8(u,a,v,b,c,d,e,f){
FilterLoop26(u,a,c,1,8,d,e,f);
FilterLoop26(v,b,c,1,8,d,e,f)
}
function HFilter8(u,a,v,b,c,d,e,f){
FilterLoop26(u,a,1,c,8,d,e,f);
FilterLoop26(v,b,1,c,8,d,e,f)
}
function VFilter8i(u,a,v,b,c,d,e,f){
FilterLoop24(u,a+4*c,c,1,8,d,e,f);
FilterLoop24(v,b+4*c,c,1,8,d,e,f)
}
function HFilter8i(u,a,v,b,c,d,e,f){
FilterLoop24(u,a+4,1,c,8,d,e,f);
FilterLoop24(v,b+4,1,c,8,d,e,f)
}
var cu;
var cv;
var cw;
var cx;
var cy;
var cz;
var cA;
var cB;
var cC;
var cD;
var cE;
var cF;
var cG;
var cH;
var cI;
var cJ;
function VP8DspInit(a){
cu=TransformTwo;
cv=TransformUV;
cw=TransformDC;
cx=TransformDCUV;
cy=VFilter16;
cz=HFilter16;
cA=VFilter8;
cB=HFilter8;
cC=VFilter16i;
cD=HFilter16i;
cE=VFilter8i;
cF=HFilter8i;
cG=SimpleVFilter16;
cH=SimpleHFilter16;
cI=SimpleVFilter16i;
cJ=SimpleHFilter16i
}
var cK=32-1;
var cL=3;
var cM=1;
function InitThreadContext(a){
a.cache_id_=0;
if(a.use_threads_);
else a.num_caches_=cM;
return 1
}
var cN=new Array(0,2,8);
function AllocateMemory(a){
var b=a.num_caches_;
var c=a.mb_w_;
var d=4*c*sizeof(uint8_t);
var e=(16+8+8)*c;
var f=(c+1)*sizeof(cd);
var g=a.filter_type_>0?c*(a.use_threads_?2:1)*sizeof(cc):0;
var h=bS*sizeof(a.yuv_b_);
var i=384*sizeof(a.coeffs_);
var j=16*b+parseInt(cN[a.filter_type_])*3/2;
var k=e*j;
var l=a.alpha_data_?a.pic_hdr_.width_*a.pic_hdr_.height_:0;
var m=d+e+f+g+h+i+k+l+cK;
var n=uint8_t,mem_offset=0;
if(m>a.mem_size_){
a.mem_=0;
a.mem_size_=0;
if(a.mem_==null)return VP8SetError(a,"VP8_STATUS_OUT_OF_MEMORY","no memory during frame initialization.");
a.mem_size_=m
}
n=a.mem_;
a.intra_t_=205;
a.y_t_=memset(205,16*c*sizeof(a.y_t_));
a.u_t_=memset(205,8*c*sizeof(a.u_t_));
a.v_t_=memset(205,8*c*sizeof(a.v_t_));
a.f_info_=g?memset_wl(cc,g):null;
a.f_info_off=g?0:null;
a.thread_ctx_.id_=0;
a.thread_ctx_.f_info_=a.f_info_;
if(a.use_threads_);
assert((h&cK)==0);
a.yuv_b_=memset(205,h*sizeof(a.yuv_b_));
a.coeffs_=-12851;
a.cache_y_stride_=16*c;
a.cache_uv_stride_=8*c;
var o=cN[a.filter_type_];
var p=o*a.cache_y_stride_;
var q=o/2*a.cache_uv_stride_;
a.cache_y_=Arr(k,205);
a.cache_y_off=+p;
a.cache_u_=a.cache_y_;
a.cache_u_off=a.cache_y_off+16*b*a.cache_y_stride_+q;
a.cache_v_=a.cache_u_;
a.cache_v_off=a.cache_u_off+8*b*a.cache_uv_stride_+q;
a.alpha_plane_=l?Arr(l,uint8_t):null;
a.mb_info_=memset_wl(cd,f);
a.intra_t_=memset(bP,d);
return 1
}
function InitIo(a,b){
b.width=a.pic_hdr_.width_;
b.height=a.pic_hdr_.height_;
b.mb_y=0;
b.y=a.cache_y_;
b.y_off=a.cache_y_off;
b.u=a.cache_u_;
b.u_off=a.cache_u_off;
b.v=a.cache_v_;
b.v_off=a.cache_v_off;
b.y_stride=a.cache_y_stride_;
b.uv_stride=a.cache_uv_stride_;
b.fancy_upsampling=0;
b.a=null;
b.a_off=null
}
function VP8InitFrame(a,b){
if(!InitThreadContext(a))return 0;
if(!AllocateMemory(a))return 0;
InitIo(a,b);
VP8DspInitTables();
VP8DspInit();
return 1
}
function hev_thresh_from_level(a,b){
if(b)return a>=40?2:a>=15?1:0;
else return a>=40?3:a>=20?2:a>=15?1:0
}
function DoFilter(a,b,c){
var d=a.thread_ctx_;
var e=a.cache_y_stride_;
var f=d.f_info_[1+b];
var g=a.cache_y_;
var h=a.cache_y_off+d.id_*16*e+b*16;
var i=f.f_level_;
var j=f.f_ilevel_;
var k=2*i+j;
if(i==0)return;
if(a.filter_type_==1){
if(b>0)cH(g,h,e,k+4);
if(f.f_inner_)cJ(g,h,e,k);
if(c>0)cG(g,h,e,k+4);
if(f.f_inner_)cI(g,h,e,k)
}
else{
var l=a.cache_uv_stride_;
var m=a.cache_u_;
var n=a.cache_u_off+d.id_*8*l+b*8;
var o=a.cache_v_;
var p=a.cache_v_off+d.id_*8*l+b*8;
var q=hev_thresh_from_level(i,a.frm_hdr_.key_frame_);
if(b>0){
cz(g,h,e,k+4,j,q);
cB(m,n,o,p,l,k+4,j,q)
}
if(f.f_inner_){
cD(g,h,e,k,j,q);
cF(m,n,o,p,l,k,j,q)
}
if(c>0){
cy(g,h,e,k+4,j,q);
cA(m,n,o,p,l,k+4,j,q)
}
if(f.f_inner_){
cC(g,h,e,k,j,q);
cE(m,n,o,p,l,k,j,q)
}
}
}
function FilterRow(a){
var b=int_;
var c=a.thread_ctx_.mb_y_;
assert(a.thread_ctx_.filter_row_);
for(b=a.tl_mb_x_;
b<a.br_mb_x_;
++b)DoFilter(a,b,c)
}
function VP8StoreBlock(a){
if(a.filter_type_>0){
var b=a.f_info_[1+a.mb_x_];
var c=a.mb_info_[1+a.mb_x_].skip_;
var d=a.filter_levels_[a.segment_];
if(a.filter_hdr_.use_lf_delta_){
d+=a.filter_hdr_.ref_lf_delta_[0];
if(a.is_i4x4_)d+=a.filter_hdr_.mode_lf_delta_[0]
}
d=d<0?0:d>63?63:d;
b.f_level_=d;
if(a.filter_hdr_.sharpness_>0){
if(a.filter_hdr_.sharpness_>4)d>>=2;
else d>>=1;
if(d>9-a.filter_hdr_.sharpness_)d=9-a.filter_hdr_.sharpness_
}
b.f_ilevel_=d<1?1:d;
b.f_inner_=(!c||a.is_i4x4_)+0
}
var y;
var e=a.cache_id_*16*a.cache_y_stride_;
var f=a.cache_id_*8*a.cache_uv_stride_;
var g=a.cache_y_;
var h=a.cache_y_off+a.mb_x_*16+e;
var i=a.cache_u_;
var j=a.cache_u_off+a.mb_x_*8+f;
var k=a.cache_v_;
var l=a.cache_v_off+a.mb_x_*8+f;
for(y=0;
y<16;
++y)memcpy(g,h+y*a.cache_y_stride_,a.yuv_b_,+bU+y*bR,16);
for(y=0;
y<8;
++y){
memcpy(i,j+y*a.cache_uv_stride_,a.yuv_b_,+bV+y*bR,8);
memcpy(k,l+y*a.cache_uv_stride_,a.yuv_b_,+bW+y*bR,8)
}
}
function MACROBLOCK_VPOS(a){
return a*16
}
function VP8FinishRow(a,b){
var c=1;
var d=a.thread_ctx_;
var e=cN[a.filter_type_];
var f=e*a.cache_y_stride_;
var g=parseInt(e/2)*a.cache_uv_stride_;
var h=d.id_*16*a.cache_y_stride_;
var i=d.id_*8*a.cache_uv_stride_;
var j=a.cache_y_;
var k=a.cache_y_off-f+h;
var l=a.cache_u_;
var m=a.cache_u_off-g+i;
var n=a.cache_v_;
var o=a.cache_v_off-g+i;
var p=d.mb_y_==0;
var q=(d.mb_y_>=a.mb_h_-1)+0;
var r=MACROBLOCK_VPOS(d.mb_y_);
var s=MACROBLOCK_VPOS(d.mb_y_+1);
if(d.filter_row_)FilterRow(a);
if(b.put){
if(!p){
r-=e;
b.y=j;
b.y_off=k;
b.u=l;
b.u_off=m;
b.v=n;
b.v_off=o
}
else{
b.y=a.cache_y_;
b.y_off=a.cache_y_off+h;
b.u=a.cache_u_;
b.u_off=a.cache_u_off+i;
b.v=a.cache_v_;
b.v_off=a.cache_v_off+i
}
if(!q)s-=e;
if(s>b.crop_bottom)s=b.crop_bottom;
if(a.alpha_data_){
if(r==0){
b.a=VP8DecompressAlphaRows(a,r,s-r);
b.a_off=0
}
else b.a_off=VP8DecompressAlphaRows(a,r,s-r);
if(b.a==null)return VP8SetError(a,VP8_STATUS_BITSTREAM_ERROR,"Could not decode alpha data.")
}
if(r<b.crop_top){
var t=b.crop_top-r;
r=b.crop_top;
assert(!(t&1));
b.y_off+=a.cache_y_stride_*t;
b.u_off+=a.cache_uv_stride_*(t>>1);
b.v_off+=a.cache_uv_stride_*(t>>1);
if(b.a)b.a_off+=b.width*t
}
if(r<s){
b.y_off+=b.crop_left;
b.u_off+=b.crop_left>>1;
b.v_off+=b.crop_left>>1;
if(b.a)b.a_off+=b.crop_left;
b.mb_y=r-b.crop_top;
b.mb_w=b.crop_right-b.crop_left;
b.mb_h=s-r;
c=b.put(b)
}
}
if(d.id_+1==a.num_caches_)if(!q){
memcpy(a.cache_y_,a.cache_y_off-f,j,k+16*a.cache_y_stride_,f);
memcpy(a.cache_u_,a.cache_u_off-g,l,m+8*a.cache_uv_stride_,g);
memcpy(a.cache_v_,a.cache_v_off-g,n,o+8*a.cache_uv_stride_,g)
}
return c
}
function VP8ProcessRow(a,b){
var c=1;
var d=a.thread_ctx_;
if(!a.use_threads_){
d.mb_y_=a.mb_y_;
d.filter_row_=a.filter_row_;
c=VP8FinishRow(a,b)
}
return c
}
function VP8EnterCritical(a,b){
if(b.setup&&!b.setup(b)){
VP8SetError(a,VP8_STATUS_USER_ABORT,"Frame setup failed");
return a.status_
}
if(b.bypass_filtering)a.filter_type_=0;
var c=cN[a.filter_type_];
if(a.filter_type_==2){
a.tl_mb_x_=0;
a.tl_mb_y_=0
}
else{
a.tl_mb_y_=b.crop_top>>4;
a.tl_mb_x_=b.crop_left>>4
}
a.br_mb_y_=b.crop_bottom+15+c>>4;
a.br_mb_x_=b.crop_right+15+c>>4;
if(a.br_mb_x_>a.mb_w_)a.br_mb_x_=a.mb_w_;
if(a.br_mb_y_>a.mb_h_)a.br_mb_y_=a.mb_h_;
return bE
}
function VP8ExitCritical(a,b){
var c=1;
if(a.use_threads_);
if(b.teardown)b.teardown(b);
return c
}
var cO=new Array(0+0*bR,4+0*bR,8+0*bR,12+0*bR,0+4*bR,4+4*bR,8+4*bR,12+4*bR,0+8*bR,4+8*bR,8+8*bR,12+8*bR,0+12*bR,4+12*bR,8+12*bR,12+12*bR);
function CheckMode(a,b){
if(b==bP)if(a.mb_x_==0)return a.mb_y_==0?B_DC_PRED_NOTOPLEFT:B_DC_PRED_NOLEFT;
else return a.mb_y_==0?B_DC_PRED_NOTOP:bP;
return b
}
function Copy32b(a,b,c,d){
for(i=0;
i<4;
++i)a[b+i]=c[d+i]
}
function VP8ReconstructBlock(a){
var b=a.yuv_b_;
var c=bU;
var d=a.yuv_b_;
var e=bV;
var f=a.yuv_b_;
var g=bW;
if(a.mb_x_>0){
var j;
for(j=-1;
j<16;
++j)Copy32b(b,c+j*bR-4,b,c+j*bR+12);
for(j=-1;
j<8;
++j){
Copy32b(d,e+j*bR-4,d,e+j*bR+4);
Copy32b(f,g+j*bR-4,f,g+j*bR+4)
}
}
else{
var j;
for(j=0;
j<16;
++j)b[c+j*bR-1]=129;
for(j=0;
j<8;
++j){
d[e+j*bR-1]=129;
f[g+j*bR-1]=129
}
if(a.mb_y_>0)b[c-1-bR]=d[e-1-bR]=f[g-1-bR]=129
}
var h=a.y_t_;
var k=+a.mb_x_*16;
var l=a.u_t_;
var m=+a.mb_x_*8;
var o=a.v_t_;
var p=+a.mb_x_*8;
var q=a.coeffs_;
var n;
if(a.mb_y_>0){
memcpy(b,c-bR,h,k,16);
memcpy(d,e-bR,l,m,8);
memcpy(f,g-bR,o,p,8)
}
else if(a.mb_x_==0){
for(i=0;
i<16+4+1;
++i)b[c-bR-1+i]=127;
for(i=0;
i<8+1;
++i)d[e-bR-1+i]=127;
for(i=0;
i<8+1;
++i)f[g-bR-1+i]=127
}
if(a.is_i4x4_){
var r=b;
var s=c-bR+16;
if(a.mb_y_>0)if(a.mb_x_>=a.mb_w_-1)r[s+0]=r[s+1]=r[s+2]=r[s+3]=h[k+15];
else memcpy(r,s+0,h,k+16,4);
for(ii=0;
ii<4;
++ii)r[ii+s+bR*4]=r[ii+s+1*bR*4]=r[ii+s+2*bR*4]=r[ii+s+3*bR*4]=r[ii+s+0*4];
for(n=0;
n<16;
n++){
var t=b;
var u=c+cO[n];
cr[a.imodes_[n]](t,u);
if(a.non_zero_ac_&1<<n)cu(q,+n*16,t,u,0);
else if(a.non_zero_&1<<n)cw(q,+n*16,t,u)
}
}
else{
var v=CheckMode(a,a.imodes_[0]);
cs[v](b,c);
if(a.non_zero_)for(n=0;
n<16;
n++){
var t=b;
var u=c+cO[n];
if(a.non_zero_ac_&1<<n)cu(q,+n*16,t,u,0);
else if(a.non_zero_&1<<n)cw(q,+n*16,t,u)
}
}
var v=CheckMode(a,a.uvmode_);
ct[v](d,e);
ct[v](f,g);
if(a.non_zero_&983040){
var w=a.coeffs_;
var x=16*16;
if(a.non_zero_ac_&983040)cv(w,x,d,e);
else cx(w,x,d,e)
}
if(a.non_zero_&15728640){
var y=a.coeffs_;
var x=20*16;
if(a.non_zero_ac_&15728640)cv(y,x,f,g);
else cx(y,x,f,g)
}
if(a.mb_y_<a.mb_h_-1){
memcpy(h,k,b,c+15*bR,16);
memcpy(l,m,d,e+7*bR,8);
memcpy(o,p,f,g+7*bR,8)
}
}
function clip(v,M){
return v<0?0:v>M?M:v
}
var cP=new Array(4,5,6,7,8,9,10,10,11,12,13,14,15,16,17,17,18,19,20,20,21,21,22,22,23,23,24,25,25,26,27,28,29,30,31,32,33,34,35,36,37,37,38,39,40,41,42,43,44,45,46,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,76,77,78,79,80,81,82,83,84,85,86,87,88,89,91,93,95,96,98,100,101,102,104,106,108,110,112,114,116,118,122,124,126,128,130,132,134,136,138,140,143,145,148,151,154,157);
var cQ=new Array(4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,119,122,125,128,131,134,137,140,143,146,149,152,155,158,161,164,167,170,173,177,181,185,189,193,197,201,205,209,213,217,221,225,229,234,239,245,249,254,259,264,269,274,279,284);
function VP8ParseQuant(a){
var b=a.br_;
var c=VP8GetValue(b,7);
var d=VP8Get(b)?VP8GetSignedValue(b,4):0;
var e=VP8Get(b)?VP8GetSignedValue(b,4):0;
var f=VP8Get(b)?VP8GetSignedValue(b,4):0;
var g=VP8Get(b)?VP8GetSignedValue(b,4):0;
var h=VP8Get(b)?VP8GetSignedValue(b,4):0;
var j=a.segment_hdr_;
var i=int_;
for(i=0;
i<NUM_MB_SEGMENTS;
++i){
var q=int_;
if(j.use_segment_){
q=j.quantizer_[i];
if(!j.absolute_delta_)q+=c
}
else if(i>0){
a.dqm_[i]=a.dqm_[0];
continue
}
else q=c;
var m=a.dqm_[i];
m.y1_mat_[0]=cP[clip(q+d,127)];
m.y1_mat_[1]=cQ[clip(q+0,127)];
m.y2_mat_[0]=cP[clip(q+e,127)]*2;
m.y2_mat_[1]=parseInt(cQ[clip(q+f,127)]*155/100);
if(m.y2_mat_[1]<8)m.y2_mat_[1]=8;
m.uv_mat_[0]=cP[clip(q+g,117)];
m.uv_mat_[1]=cQ[clip(q+h,127)]
}
}
var cR=new Array(-bP,1,-B_TM_PRED,2,-B_VE_PRED,3,4,6,-B_HE_PRED,5,-B_RD_PRED,-B_VR_PRED,-B_LD_PRED,7,-B_VL_PRED,8,-B_HD_PRED,-B_HU_PRED);
var cS=new Array(new Array(new Array(new Array(128,128,128,128,128,128,128,128,128,128,128),new Array(128,128,128,128,128,128,128,128,128,128,128),new Array(128,128,128,128,128,128,128,128,128,128,128)),new Array(new Array(253,136,254,255,228,219,128,128,128,128,128),new Array(189,129,242,255,227,213,255,219,128,128,128),new Array(106,126,227,252,214,209,255,255,128,128,128)),new Array(new Array(1,98,248,255,236,226,255,255,128,128,128),new Array(181,133,238,254,221,234,255,154,128,128,128),new Array(78,134,202,247,198,180,255,219,128,128,128)),new Array(new Array(1,185,249,255,243,255,128,128,128,128,128),new Array(184,150,247,255,236,224,128,128,128,128,128),new Array(77,110,216,255,236,230,128,128,128,128,128)),new Array(new Array(1,101,251,255,241,255,128,128,128,128,128),new Array(170,139,241,252,236,209,255,255,128,128,128),new Array(37,116,196,243,228,255,255,255,128,128,128)),new Array(new Array(1,204,254,255,245,255,128,128,128,128,128),new Array(207,160,250,255,238,128,128,128,128,128,128),new Array(102,103,231,255,211,171,128,128,128,128,128)),new Array(new Array(1,152,252,255,240,255,128,128,128,128,128),new Array(177,135,243,255,234,225,128,128,128,128,128),new Array(80,129,211,255,194,224,128,128,128,128,128)),new Array(new Array(1,1,255,128,128,128,128,128,128,128,128),new Array(246,1,255,128,128,128,128,128,128,128,128),new Array(255,128,128,128,128,128,128,128,128,128,128))),new Array(new Array(new Array(198,35,237,223,193,187,162,160,145,155,62),new Array(131,45,198,221,172,176,220,157,252,221,1),new Array(68,47,146,208,149,167,221,162,255,223,128)),new Array(new Array(1,149,241,255,221,224,255,255,128,128,128),new Array(184,141,234,253,222,220,255,199,128,128,128),new Array(81,99,181,242,176,190,249,202,255,255,128)),new Array(new Array(1,129,232,253,214,197,242,196,255,255,128),new Array(99,121,210,250,201,198,255,202,128,128,128),new Array(23,91,163,242,170,187,247,210,255,255,128)),new Array(new Array(1,200,246,255,234,255,128,128,128,128,128),new Array(109,178,241,255,231,245,255,255,128,128,128),new Array(44,130,201,253,205,192,255,255,128,128,128)),new Array(new Array(1,132,239,251,219,209,255,165,128,128,128),new Array(94,136,225,251,218,190,255,255,128,128,128),new Array(22,100,174,245,186,161,255,199,128,128,128)),new Array(new Array(1,182,249,255,232,235,128,128,128,128,128),new Array(124,143,241,255,227,234,128,128,128,128,128),new Array(35,77,181,251,193,211,255,205,128,128,128)),new Array(new Array(1,157,247,255,236,231,255,255,128,128,128),new Array(121,141,235,255,225,227,255,255,128,128,128),new Array(45,99,188,251,195,217,255,224,128,128,128)),new Array(new Array(1,1,251,255,213,255,128,128,128,128,128),new Array(203,1,248,255,255,128,128,128,128,128,128),new Array(137,1,177,255,224,255,128,128,128,128,128))),new Array(new Array(new Array(253,9,248,251,207,208,255,192,128,128,128),new Array(175,13,224,243,193,185,249,198,255,255,128),new Array(73,17,171,221,161,179,236,167,255,234,128)),new Array(new Array(1,95,247,253,212,183,255,255,128,128,128),new Array(239,90,244,250,211,209,255,255,128,128,128),new Array(155,77,195,248,188,195,255,255,128,128,128)),new Array(new Array(1,24,239,251,218,219,255,205,128,128,128),new Array(201,51,219,255,196,186,128,128,128,128,128),new Array(69,46,190,239,201,218,255,228,128,128,128)),new Array(new Array(1,191,251,255,255,128,128,128,128,128,128),new Array(223,165,249,255,213,255,128,128,128,128,128),new Array(141,124,248,255,255,128,128,128,128,128,128)),new Array(new Array(1,16,248,255,255,128,128,128,128,128,128),new Array(190,36,230,255,236,255,128,128,128,128,128),new Array(149,1,255,128,128,128,128,128,128,128,128)),new Array(new Array(1,226,255,128,128,128,128,128,128,128,128),new Array(247,192,255,128,128,128,128,128,128,128,128),new Array(240,128,255,128,128,128,128,128,128,128,128)),new Array(new Array(1,134,252,255,255,128,128,128,128,128,128),new Array(213,62,250,255,255,128,128,128,128,128,128),new Array(55,93,255,128,128,128,128,128,128,128,128)),new Array(new Array(128,128,128,128,128,128,128,128,128,128,128),new Array(128,128,128,128,128,128,128,128,128,128,128),new Array(128,128,128,128,128,128,128,128,128,128,128))),new Array(new Array(new Array(202,24,213,235,186,191,220,160,240,175,255),new Array(126,38,182,232,169,184,228,174,255,187,128),new Array(61,46,138,219,151,178,240,170,255,216,128)),new Array(new Array(1,112,230,250,199,191,247,159,255,255,128),new Array(166,109,228,252,211,215,255,174,128,128,128),new Array(39,77,162,232,172,180,245,178,255,255,128)),new Array(new Array(1,52,220,246,198,199,249,220,255,255,128),new Array(124,74,191,243,183,193,250,221,255,255,128),new Array(24,71,130,219,154,170,243,182,255,255,128)),new Array(new Array(1,182,225,249,219,240,255,224,128,128,128),new Array(149,150,226,252,216,205,255,171,128,128,128),new Array(28,108,170,242,183,194,254,223,255,255,128)),new Array(new Array(1,81,230,252,204,203,255,192,128,128,128),new Array(123,102,209,247,188,196,255,233,128,128,128),new Array(20,95,153,243,164,173,255,203,128,128,128)),new Array(new Array(1,222,248,255,216,213,128,128,128,128,128),new Array(168,175,246,252,235,205,255,255,128,128,128),new Array(47,116,215,255,211,212,255,255,128,128,128)),new Array(new Array(1,121,236,253,212,214,255,255,128,128,128),new Array(141,84,213,252,201,202,255,219,128,128,128),new Array(42,80,160,240,162,185,255,205,128,128,128)),new Array(new Array(1,1,255,128,128,128,128,128,128,128,128),new Array(244,1,255,128,128,128,128,128,128,128,128),new Array(238,1,255,128,128,128,128,128,128,128,128))));
var cT=new Array(new Array(new Array(231,120,48,89,115,113,120,152,112),new Array(152,179,64,126,170,118,46,70,95),new Array(175,69,143,80,85,82,72,155,103),new Array(56,58,10,171,218,189,17,13,152),new Array(114,26,17,163,44,195,21,10,173),new Array(121,24,80,195,26,62,44,64,85),new Array(144,71,10,38,171,213,144,34,26),new Array(170,46,55,19,136,160,33,206,71),new Array(63,20,8,114,114,208,12,9,226),new Array(81,40,11,96,182,84,29,16,36)),new Array(new Array(134,183,89,137,98,101,106,165,148),new Array(72,187,100,130,157,111,32,75,80),new Array(66,102,167,99,74,62,40,234,128),new Array(41,53,9,178,241,141,26,8,107),new Array(74,43,26,146,73,166,49,23,157),new Array(65,38,105,160,51,52,31,115,128),new Array(104,79,12,27,217,255,87,17,7),new Array(87,68,71,44,114,51,15,186,23),new Array(47,41,14,110,182,183,21,17,194),new Array(66,45,25,102,197,189,23,18,22)),new Array(new Array(88,88,147,150,42,46,45,196,205),new Array(43,97,183,117,85,38,35,179,61),new Array(39,53,200,87,26,21,43,232,171),new Array(56,34,51,104,114,102,29,93,77),new Array(39,28,85,171,58,165,90,98,64),new Array(34,22,116,206,23,34,43,166,73),new Array(107,54,32,26,51,1,81,43,31),new Array(68,25,106,22,64,171,36,225,114),new Array(34,19,21,102,132,188,16,76,124),new Array(62,18,78,95,85,57,50,48,51)),new Array(new Array(193,101,35,159,215,111,89,46,111),new Array(60,148,31,172,219,228,21,18,111),new Array(112,113,77,85,179,255,38,120,114),new Array(40,42,1,196,245,209,10,25,109),new Array(88,43,29,140,166,213,37,43,154),new Array(61,63,30,155,67,45,68,1,209),new Array(100,80,8,43,154,1,51,26,71),new Array(142,78,78,16,255,128,34,197,171),new Array(41,40,5,102,211,183,4,1,221),new Array(51,50,17,168,209,192,23,25,82)),new Array(new Array(138,31,36,171,27,166,38,44,229),new Array(67,87,58,169,82,115,26,59,179),new Array(63,59,90,180,59,166,93,73,154),new Array(40,40,21,116,143,209,34,39,175),new Array(47,15,16,183,34,223,49,45,183),new Array(46,17,33,183,6,98,15,32,183),new Array(57,46,22,24,128,1,54,17,37),new Array(65,32,73,115,28,128,23,128,205),new Array(40,3,9,115,51,192,18,6,223),new Array(87,37,9,115,59,77,64,21,47)),new Array(new Array(104,55,44,218,9,54,53,130,226),new Array(64,90,70,205,40,41,23,26,57),new Array(54,57,112,184,5,41,38,166,213),new Array(30,34,26,133,152,116,10,32,134),new Array(39,19,53,221,26,114,32,73,255),new Array(31,9,65,234,2,15,1,118,73),new Array(75,32,12,51,192,255,160,43,51),new Array(88,31,35,67,102,85,55,186,85),new Array(56,21,23,111,59,205,45,37,192),new Array(55,38,70,124,73,102,1,34,98)),new Array(new Array(125,98,42,88,104,85,117,175,82),new Array(95,84,53,89,128,100,113,101,45),new Array(75,79,123,47,51,128,81,171,1),new Array(57,17,5,71,102,57,53,41,49),new Array(38,33,13,121,57,73,26,1,85),new Array(41,10,67,138,77,110,90,47,114),new Array(115,21,2,10,102,255,166,23,6),new Array(101,29,16,10,85,128,101,196,26),new Array(57,18,10,102,102,213,34,20,43),new Array(117,20,15,36,163,128,68,1,26)),new Array(new Array(102,61,71,37,34,53,31,243,192),new Array(69,60,71,38,73,119,28,222,37),new Array(68,45,128,34,1,47,11,245,171),new Array(62,17,19,70,146,85,55,62,70),new Array(37,43,37,154,100,163,85,160,1),new Array(63,9,92,136,28,64,32,201,85),new Array(75,15,9,9,64,255,184,119,16),new Array(86,6,28,5,64,255,25,248,1),new Array(56,8,17,132,137,255,55,116,128),new Array(58,15,20,82,135,57,26,121,40)),new Array(new Array(164,50,31,137,154,133,25,35,218),new Array(51,103,44,131,131,123,31,6,158),new Array(86,40,64,135,148,224,45,183,128),new Array(22,26,17,131,240,154,14,1,209),new Array(45,16,21,91,64,222,7,1,197),new Array(56,21,39,155,60,138,23,102,213),new Array(83,12,13,54,192,255,68,47,28),new Array(85,26,85,85,128,128,32,146,171),new Array(18,11,7,63,144,171,4,4,246),new Array(35,27,10,146,174,171,12,26,128)),new Array(new Array(190,80,35,99,180,80,126,54,45),new Array(85,126,47,87,176,51,41,20,32),new Array(101,75,128,139,118,146,116,128,85),new Array(56,41,15,176,236,85,37,9,62),new Array(71,30,17,119,118,255,17,18,138),new Array(101,38,60,138,55,70,43,26,142),new Array(146,36,19,30,171,255,97,27,20),new Array(138,45,61,62,219,1,81,188,64),new Array(32,41,20,117,151,142,20,21,163),new Array(112,19,12,61,195,128,48,4,24)));
function VP8ResetProba(a){
for(i=0;
i<a.segments_.length;
++i)a.segments_[i]=255;
a.coeffs_=newObjectIt(cS)
}
function VP8ParseIntraMode(a,b){
var c=b.intra_t_;
c[c.length-1]=0+4*b.mb_x_;
var d=b.intra_l_;
b.is_i4x4_=!VP8GetBit(a,145);
if(!b.is_i4x4_){
var e=VP8GetBit(a,156)?VP8GetBit(a,128)?TM_PRED:H_PRED:VP8GetBit(a,163)?V_PRED:DC_PRED;
b.imodes_[0]=e;
for(i=0;
i<4;
++i)c[i+c[c.length-1]]=e;
for(i=0;
i<4;
++i)d[i]=e
}
else{
var f=b.imodes_;
var g=0;
var y;
for(y=0;
y<4;
++y){
var e=d[y];
var x;
for(x=0;
x<4;
++x){
var h=cT[c[c[c.length-1]+x]][e];
var i=0;
do i=cR[2*i+VP8GetBit(a,h[i])];
while(i>0);
e=-i;
c[c[c.length-1]+x]=e;
f[g]=e;
g++
}
d[y]=e
}
}
b.uvmode_=!VP8GetBit(a,142)?DC_PRED:!VP8GetBit(a,114)?V_PRED:VP8GetBit(a,183)?TM_PRED:H_PRED
}
var cU=new Array(new Array(new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(176,246,255,255,255,255,255,255,255,255,255),new Array(223,241,252,255,255,255,255,255,255,255,255),new Array(249,253,253,255,255,255,255,255,255,255,255)),new Array(new Array(255,244,252,255,255,255,255,255,255,255,255),new Array(234,254,254,255,255,255,255,255,255,255,255),new Array(253,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,246,254,255,255,255,255,255,255,255,255),new Array(239,253,254,255,255,255,255,255,255,255,255),new Array(254,255,254,255,255,255,255,255,255,255,255)),new Array(new Array(255,248,254,255,255,255,255,255,255,255,255),new Array(251,255,254,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,253,254,255,255,255,255,255,255,255,255),new Array(251,254,254,255,255,255,255,255,255,255,255),new Array(254,255,254,255,255,255,255,255,255,255,255)),new Array(new Array(255,254,253,255,254,255,255,255,255,255,255),new Array(250,255,254,255,254,255,255,255,255,255,255),new Array(254,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255))),new Array(new Array(new Array(217,255,255,255,255,255,255,255,255,255,255),new Array(225,252,241,253,255,255,254,255,255,255,255),new Array(234,250,241,250,253,255,253,254,255,255,255)),new Array(new Array(255,254,255,255,255,255,255,255,255,255,255),new Array(223,254,254,255,255,255,255,255,255,255,255),new Array(238,253,254,254,255,255,255,255,255,255,255)),new Array(new Array(255,248,254,255,255,255,255,255,255,255,255),new Array(249,254,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,253,255,255,255,255,255,255,255,255,255),new Array(247,254,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,253,254,255,255,255,255,255,255,255,255),new Array(252,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,254,254,255,255,255,255,255,255,255,255),new Array(253,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,254,253,255,255,255,255,255,255,255,255),new Array(250,255,255,255,255,255,255,255,255,255,255),new Array(254,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255))),new Array(new Array(new Array(186,251,250,255,255,255,255,255,255,255,255),new Array(234,251,244,254,255,255,255,255,255,255,255),new Array(251,251,243,253,254,255,254,255,255,255,255)),new Array(new Array(255,253,254,255,255,255,255,255,255,255,255),new Array(236,253,254,255,255,255,255,255,255,255,255),new Array(251,253,253,254,254,255,255,255,255,255,255)),new Array(new Array(255,254,254,255,255,255,255,255,255,255,255),new Array(254,254,254,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,254,255,255,255,255,255,255,255,255,255),new Array(254,254,255,255,255,255,255,255,255,255,255),new Array(254,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(254,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255))),new Array(new Array(new Array(248,255,255,255,255,255,255,255,255,255,255),new Array(250,254,252,254,255,255,255,255,255,255,255),new Array(248,254,249,253,255,255,255,255,255,255,255)),new Array(new Array(255,253,253,255,255,255,255,255,255,255,255),new Array(246,253,253,255,255,255,255,255,255,255,255),new Array(252,254,251,254,254,255,255,255,255,255,255)),new Array(new Array(255,254,252,255,255,255,255,255,255,255,255),new Array(248,254,253,255,255,255,255,255,255,255,255),new Array(253,255,254,254,255,255,255,255,255,255,255)),new Array(new Array(255,251,254,255,255,255,255,255,255,255,255),new Array(245,251,254,255,255,255,255,255,255,255,255),new Array(253,253,254,255,255,255,255,255,255,255,255)),new Array(new Array(255,251,253,255,255,255,255,255,255,255,255),new Array(252,253,254,255,255,255,255,255,255,255,255),new Array(255,254,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,252,255,255,255,255,255,255,255,255,255),new Array(249,255,254,255,255,255,255,255,255,255,255),new Array(255,255,254,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,253,255,255,255,255,255,255,255,255),new Array(250,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255)),new Array(new Array(255,255,255,255,255,255,255,255,255,255,255),new Array(254,255,255,255,255,255,255,255,255,255,255),new Array(255,255,255,255,255,255,255,255,255,255,255))));
function VP8ParseProba(a,d){
var e=d.proba_;
var t,b,c,p;
for(t=0;
t<NUM_TYPES;
++t)for(b=0;
b<NUM_BANDS;
++b)for(c=0;
c<NUM_CTX;
++c)for(p=0;
p<NUM_PROBAS;
++p)if(VP8GetBit(a,cU[t][b][c][p]))e.coeffs_[t][b][c][p]=VP8GetValue(a,8);
d.use_skip_proba_=VP8Get(a);
if(d.use_skip_proba_)d.skip_p_=VP8GetValue(a,8)
}
var cV=12;
var cW=20;
this.WebPGetDecoderVersion=function(a){
return bM<<16|bN<<8|bO
};
function SetOk(a){
a.status_="VP8_STATUS_OK";
a.error_msg_="OK"
}
var cX;
function VP8InitIoInternal(a,b){
if(b!=bz){
alert2("mismatch error");
return 0
}
if(a);
return 1
}
function VP8New(a){
var b=newObjectIt(cg);
if(b){
SetOk(b);
b.ready_=0
}
return b
}
function VP8Delete(a){
if(a){
VP8Clear(a);
a=0
}
}
function VP8SetError(a,b,c){
a.status_=b;
a.error_msg_=c;
a.ready_=0;
alert2(b+": "+c);
return 0
}
function get_le32(a,b){
return a[b+0]|a[b+1]<<8|a[b+2]<<16|a[b+3]<<24
}
function VP8CheckAndSkipHeader(a,b,c,d,e,f){
if(!a||!c||!d||!e)return 0;
if(c.value>=8)if(!memcmp(a,b.value,"VP8 ",4)){
d.value=1;
e.value=get_le32(a,b.value+4);
if(f.value>=cV&&e.value>f.value-cV)return 0;
b.value+=8;
c.value-=8
}
else{
d.value=0;
e.value=0
}
else{
d.value=-1;
e.value=0
}
return 1
}
function VP8GetInfo(a,b,c,d,e,f,g){
if(c.value<10)return 0;
if(a[b.value+3]!=157||a[b.value+4]!=1||a[b.value+5]!=42)return 0;
else{
var i=a[b.value+0]|a[b.value+1]<<8|a[b.value+2]<<16;
var j=!(i&1)+0;
var w=(a[b.value+7]<<8|a[b.value+6])&16383;
var h=(a[b.value+9]<<8|a[b.value+8])&16383;
if(g){
if(c.value<11)return 0;
g.value=!!(a[b.value+10]&128)
}
if(!j)return 0;
if((i>>1&7)>3)return 0;
if(!(i>>4&1))return 0;
if(i>>5>=d)return 0;
if(e)e.value=w;
if(f)f.value=h;
return 1
}
}
function VP8XGetInfo(a,b,c,d,e,f,g){
if(!a||!c||!d)return 0;
if(c.value>=cW)if(!memcmp(a,b.value,"VP8X",4)){
var h=get_le32(a,b.value+4);
d.value=1;
if(h.value!=cW-8)return 0;
if(g)g.value=get_le32(a,b.value+8);
if(e)e.value=get_le32(a,b.value+12);
if(f)f.value=get_le32(a,b.value+16);
b.value+=cW;
c.value-=cW
}
else d.value=0;
else d.value=-1;
return 1
}
function ResetSegmentHeader(a){
assert(a);
a.use_segment_=0;
a.update_map_=0;
a.absolute_delta_=1;
for(i=0;
i<a.quantizer_.length;
++i)a.quantizer_[i]=0;
for(i=0;
i<a.filter_strength_.length;
++i)a.filter_strength_[i]=0
}
function ParseSegmentHeader(a,b,c){
assert(a);
assert(b);
b.use_segment_=VP8Get(a);
if(b.use_segment_){
b.update_map_=VP8Get(a);
if(VP8Get(a)){
var s;
b.absolute_delta_=VP8Get(a);
for(s=0;
s<NUM_MB_SEGMENTS;
++s)b.quantizer_[s]=VP8Get(a)?VP8GetSignedValue(a,7):0;
for(s=0;
s<NUM_MB_SEGMENTS;
++s)b.filter_strength_[s]=VP8Get(a)?VP8GetSignedValue(a,6):0
}
if(b.update_map_){
var s;
for(s=0;
s<bQ;
++s)c.segments_[s]=VP8Get(a)?VP8GetValue(a,8):255
}
}
else b.update_map_=0;
return!a.eof_
}
function ParsePartitions(a,b,c,d){
var e=a.br_;
var f=b;
var g=c;
var h=b,buf_end_off=c+d;
var i;
var j=0;
var k=int_;
var p=int_;
a.num_parts_=1<<VP8GetValue(e,2);
k=a.num_parts_-1;
i=b;
var j=c+k*3;
if(buf_end_off<j)return"VP8_STATUS_NOT_ENOUGH_DATA";
for(p=0;
p<k;
++p){
var l=f[g+0]|f[g+1]<<8|f[g+2]<<16;
var m=i;
var n=j+l;
if(n>buf_end_off)m=h;
VP8InitBitReader(a.parts_[+p],i,j,n);
i=m;
j=n;
g+=3
}
VP8InitBitReader(a.parts_[+k],i,j,buf_end_off);
return j<buf_end_off?"VP8_STATUS_OK":"VP8_STATUS_SUSPENDED"
}
function ParseFilterHeader(a,b){
var c=b.filter_hdr_;
c.simple_=VP8Get(a);
c.level_=VP8GetValue(a,6);
c.sharpness_=VP8GetValue(a,3);
c.use_lf_delta_=VP8Get(a);
if(c.use_lf_delta_)if(VP8Get(a)){
var i;
for(i=0;
i<NUM_REF_LF_DELTAS;
++i)if(VP8Get(a))c.ref_lf_delta_[i]=VP8GetSignedValue(a,6);
for(i=0;
i<NUM_MODE_LF_DELTAS;
++i)if(VP8Get(a))c.mode_lf_delta_[i]=VP8GetSignedValue(a,6)
}
b.filter_type_=c.level_==0?0:c.simple_?1:2;
if(b.filter_type_>0)if(b.segment_hdr_.use_segment_){
var s;
for(s=0;
s<NUM_MB_SEGMENTS;
++s){
var d=b.segment_hdr_.filter_strength_[s];
if(!b.segment_hdr_.absolute_delta_)d+=c.level_;
b.filter_levels_[s]=d
}
}
else b.filter_levels_[0]=c.level_;
return!a.eof_
}
function VP8GetHeaders(a,b){
var c={
value:0
};
var d=uint8_t;
var e={
value:uint32_t
};
var f={
value:uint32_t
};
var g={
value:uint32_t
};
var h={
value:0
};
var i={
value:0
};
var j=newObjectIt(bX);
var k=newObjectIt(bY);
var l=newObjectIt(bJ);
var m="VP8StatusCode";
if(a==null){
alert2("(dec == null)");
return 0
}
SetOk(a);
if(b==null)return VP8SetError(a,"VP8_STATUS_INVALID_PARAM","null VP8Io passed to VP8GetHeaders()");
d=b.data;
c.value=b.data_off;
e.value=b.data_size;
if(d==null||e.value<=4)return VP8SetError(a,"VP8_STATUS_NOT_ENOUGH_DATA","Not enough data to parse frame header");
if(!WebPCheckAndSkipRIFFHeader(d,c,e,f))return VP8SetError(a,VP8_STATUS_BITSTREAM_ERROR,"RIFF: Invalid RIFF container");
if(!VP8XGetInfo(d,c,e,h,null,null,null))return VP8SetError(a,VP8_STATUS_BITSTREAM_ERROR,"RIFF: Invalid VP8X container");
if(!VP8CheckAndSkipHeader(d,c,e,i,g,f))return VP8SetError(a,VP8_STATUS_BITSTREAM_ERROR,"RIFF: Inconsistent size information.");
if(i.value==-1)return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","RIFF: Inconsistent size information.");
if(e.value<4)return VP8SetError(a,VP8_STATUS_NOT_ENOUGH_DATA,"RIFF: Truncated header.");
c=c.value;
e=e.value;
var n=d[c+0]|d[c+1]<<8|d[c+2]<<16;
j=a.frm_hdr_;
j.key_frame_=!(n&1)+0;
j.profile_=n>>1&7;
j.show_=n>>4&1;
j.partition_length_=n>>5;
if(j.profile_>3)return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","Incorrect keyframe parameters.");
if(!j.show_)return VP8SetError(a,"VP8_STATUS_UNSUPPORTED_FEATURE","Frame not displayable.");
c+=3;
e-=3;
k=a.pic_hdr_;
if(j.key_frame_){
if(e<7)return VP8SetError(a,"VP8_STATUS_NOT_ENOUGH_DATA","cannot parse picture header");
if(Byte2Hex(d[c+0])!=157||Byte2Hex(d[c+1])!=1||Byte2Hex(d[c+2])!=42)return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","Bad code word");
k.width_=(d[c+4]<<8|d[c+3])&16383;
k.xscale_=d[c+4]>>6;
k.height_=(d[c+6]<<8|d[c+5])&16383;
k.yscale_=d[c+6]>>6;
c+=7;
e-=7;
a.mb_w_=k.width_+15>>4;
a.mb_h_=k.height_+15>>4;
b.width=k.width_;
b.height=k.height_;
b.use_scaling=0;
b.use_cropping=0;
b.crop_top=0;
b.crop_left=0;
b.crop_right=b.width;
b.crop_bottom=b.height;
b.mb_w=b.width;
b.mb_h=b.height;
VP8ResetProba(a.proba_);
ResetSegmentHeader(a.segment_hdr_);
a.segment_=0
}
if(j.partition_length_>e)return VP8SetError(a,"VP8_STATUS_NOT_ENOUGH_DATA","bad partition length");
a.alpha_data_=null;
a.alpha_data_size_=0;
var l=a.br_;
VP8InitBitReader(l,d,c,c+j.partition_length_);
c+=j.partition_length_;
e-=j.partition_length_;
if(j.key_frame_){
k.colorspace_=VP8Get(l);
k.clamp_type_=VP8Get(l)
}
if(!ParseSegmentHeader(l,a.segment_hdr_,a.proba_))return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse segment header");
if(!ParseFilterHeader(l,a))return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse filter header");
m=ParsePartitions(a,d,c,e);
if(m!="VP8_STATUS_OK")return VP8SetError(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse partitions");
VP8ParseQuant(a);
if(!j.key_frame_)return VP8SetError(a,VP8_STATUS_UNSUPPORTED_FEATURE,"Not a key frame.");
else a.buffer_flags_=3|256;
VP8Get(l);
VP8ParseProba(l,a);
if(a.pic_hdr_.colorspace_){
var o=8;
var p=1;
var q=d;
var r=c-o;
var s=size_t;
if(j.partition_length_<o||q[r+o-1]!=p);
s=q[r+4]<<0|q[r+5]<<8|q[r+6]<<16;
if(j.partition_length_<s+o)return VP8SetError(a,VP8_STATUS_BITSTREAM_ERROR,"RIFF: Inconsistent extra information.");
a.alpha_data_=s>0?q:null;
a.alpha_data_off=s>0?r-s:null;
a.alpha_data_size_=s;
s=q[r+0]<<0|q[r+1]<<8|q[r+2]<<16;
a.layer_data_size_=s;
a.layer_data_=null;
a.layer_colorspace_=q[r+3]
}
a.ready_=1;
return 1
}
var cY=new Array(0,1,2,3,6,4,5,6,6,6,6,6,6,6,6,7,0);
var cZ=new Array(173,148,140,0);
var da=new Array(176,155,140,135,0);
var db=new Array(180,157,141,134,130,0);
var dc=new Array(254,254,243,230,196,177,153,140,133,130,129,0);
var dd=new Array(cZ,da,db,dc);
var de=new Array(0,1,4,8,5,2,3,6,9,12,13,10,7,11,14,15);
var df=ArrM(new Array(NUM_CTX,NUM_PROBAS),"");
function GetCoeffs(a,b,c,d,n,e){
var p=b[cY[n]][c];
if(!VP8GetBit(a,p[0]))return 0;
while(1){
++n;
if(!VP8GetBit(a,p[1]))p=b[cY[n]][0];
else{
var v,j;
if(!VP8GetBit(a,p[2])){
p=b[cY[n]][1];
v=1
}
else{
if(!VP8GetBit(a,p[3]))if(!VP8GetBit(a,p[4]))v=2;
else v=3+VP8GetBit(a,p[5]);
else if(!VP8GetBit(a,p[6]))if(!VP8GetBit(a,p[7]))v=5+VP8GetBit(a,159);
else{
v=7+2*VP8GetBit(a,165);
v+=VP8GetBit(a,145)
}
else{
var f=uint8_t;
var g=VP8GetBit(a,p[8]);
var h=VP8GetBit(a,p[9+g]);
var k=2*g+h;
v=0;
f=dd[k];
var l;
for(i=0;
i<f.length-1;
++i)v+=v+VP8GetBit(a,f[i]);
v+=3+(8<<k)
}
p=b[cY[n]][2]
}
j=de[n-1];
e[e[e.length-1]+j]=VP8GetSigned(a,v)*d[(j>0)+0];
if(n==16||!VP8GetBit(a,p[0]))return n
}
if(n==16)return 16
}
}
var dg={
i8:Arr(4,uint8_t),i32:uint32_t
};
var dh=new Array(new Array(0,0,0,0),new Array(1,0,0,0),new Array(0,1,0,0),new Array(1,1,0,0),new Array(0,0,1,0),new Array(1,0,1,0),new Array(0,1,1,0),new Array(1,1,1,0),new Array(0,0,0,1),new Array(1,0,0,1),new Array(0,1,0,1),new Array(1,1,0,1),new Array(0,0,1,1),new Array(1,0,1,1),new Array(0,1,1,1),new Array(1,1,1,1));
var di=134480385;
function PACK(X,S){
return((X[0]*16777216+X[1]*65536+X[2]*256+X[3]*1)*di&4278190080)>>S
}
function ParseResiduals(a,b,c){
var d,out_l_nz,first;
var e=df;
var q=a.dqm_[a.segment_];
var f=a.coeffs_;
var g=a.mb_info_[1-1];
var h=Arr(4,0),nz_dc=Arr(4,0);
var i=Arr(4,0),lnz=Arr(4,0);
var j=0;
var k=0;
var x,y,ch;
f=memset(0,384*sizeof(f));
if(!a.is_i4x4_){
var m=Arr(16,0);
var n=b.dc_nz_+g.dc_nz_;
b.dc_nz_=g.dc_nz_=(GetCoeffs(c,a.proba_.coeffs_[1],n,q.y2_mat_,0,m)>0)+0;
first=1;
e=a.proba_.coeffs_[0];
VP8TransformWHT(m,f);
f[f.length-1]=0
}
else{
first=0;
e=a.proba_.coeffs_[3]
}
i=ArrCopy(dh[b.nz_&15]);
lnz=ArrCopy(dh[g.nz_&15]);
for(y=0;
y<4;
++y){
var l=lnz[y];
for(x=0;
x<4;
++x){
var n=l+i[x];
var o=GetCoeffs(c,e,n,q.y1_mat_,first,f);
i[x]=l=(o>0)+0;
nz_dc[x]=(f[f[f.length-1]+0]!=0)+0;
h[x]=(o>1)+0;
f[f.length-1]+=16
}
lnz[y]=l;
k|=PACK(nz_dc,24-y*4);
j|=PACK(h,24-y*4)
}
d=PACK(i,24);
out_l_nz=PACK(lnz,24);
i=ArrCopy(dh[b.nz_>>4]);
lnz=ArrCopy(dh[g.nz_>>4]);
for(ch=0;
ch<4;
ch+=2){
for(y=0;
y<2;
++y){
var l=lnz[ch+y];
for(x=0;
x<2;
++x){
var n=l+i[ch+x];
var o=GetCoeffs(c,a.proba_.coeffs_[2],n,q.uv_mat_,0,f);
i[ch+x]=l=(o>0)+0;
nz_dc[y*2+x]=(f[f[f.length-1]+0]!=0)+0;
h[y*2+x]=(o>1)+0;
f[f.length-1]+=16
}
lnz[ch+y]=l
}
k|=PACK(nz_dc,8-ch*2);
j|=PACK(h,8-ch*2)
}
d|=PACK(i,20);
out_l_nz|=PACK(lnz,20);
b.nz_=d;
g.nz_=out_l_nz;
a.coeffs_=f;
a.non_zero_ac_=j+0;
a.non_zero_=j|k;
b.skip_=!a.non_zero_+0
}
var dj;
function VP8DecodeMB(a,b){
var c=a.br_;
var d=a.mb_info_[1-1];
var e=a.mb_info_[1+a.mb_x_];
if(a.segment_hdr_.update_map_)a.segment_=!VP8GetBit(c,a.proba_.segments_[0])?0+VP8GetBit(c,a.proba_.segments_[1]):2+VP8GetBit(c,a.proba_.segments_[2]);
e.skip_=a.use_skip_proba_?VP8GetBit(c,a.skip_p_):0;
VP8ParseIntraMode(c,a);
if(c.eof_)return 0;
if(!e.skip_)ParseResiduals(a,e,b);
else{
d.nz_=e.nz_=0;
if(!a.is_i4x4_)d.dc_nz_=e.dc_nz_=0;
a.non_zero_=0;
a.non_zero_ac_=0
}
return!b.eof_
}
function VP8InitScanline(a){
var b=a.mb_info_[1-1];
b.nz_=0;
b.dc_nz_=0;
memset_(a.intra_l_,0,bP,a.intra_l_.length);
a.filter_row_=(a.filter_type_>0&&a.mb_y_>=a.tl_mb_y_&&a.mb_y_<=a.br_mb_y_)+0
}
function ParseFrame(a,b){
for(a.mb_y_=0;
a.mb_y_<a.br_mb_y_;
++a.mb_y_){
var c=a.parts_[a.mb_y_&a.num_parts_-1];
VP8InitScanline(a);
for(a.mb_x_=0;
a.mb_x_<a.mb_w_;
a.mb_x_++){
if(!VP8DecodeMB(a,c))return VP8SetError(a,"VP8_STATUS_NOT_ENOUGH_DATA","Premature end-of-file encountered."+a.mb_x_+" "+a.mb_y_);
VP8ReconstructBlock(a);
VP8StoreBlock(a)
}
if(!VP8ProcessRow(a,b))return VP8SetError(a,"VP8_STATUS_USER_ABORT","Output aborted.")
}
if(a.layer_data_size_>0)if(!VP8DecodeLayer(a))return 0;
return 1
}
function VP8Decode(a,b){
var c=0;
if(a==null)return 0;
if(b==null)return VP8SetError(a,"VP8_STATUS_INVALID_PARAM","NULL VP8Io parameter in VP8Decode().");
if(!a.ready_)if(!VP8GetHeaders(a,b))return 0;
assert(a.ready_);
c=VP8EnterCritical(a,b)==bE;
if(c){
if(c)c=VP8InitFrame(a,b);
if(c)c=ParseFrame(a,b);
c&=VP8ExitCritical(a,b)
}
if(!c){
VP8Clear(a);
return 0
}
a.ready_=0;
return 1
}
function VP8Clear(a){
if(a==null)return;
if(a.use_threads_);
if(a.mem_)a.mem_=0;
a.mem_=null;
a.mem_size_=0;
a.ready_=0
}
var dk=16,YUV_RANGE_MIN=-227,YUV_RANGE_MAX=256+226;
function VP8YuvToRgb(y,u,v,a,b){
var c=dm[v];
var d=dn[v]+VP8kUToG[u]>>dk;
var e=VP8kUToB[u];
a[b+0]=dp[y+c-YUV_RANGE_MIN];
a[b+1]=dp[y+d-YUV_RANGE_MIN];
a[b+2]=dp[y+e-YUV_RANGE_MIN]
}
function VP8YuvToArgbKeepA(y,u,v,a,b){
VP8YuvToRgb(y,u,v,a,b+1)
}
function VP8YuvToArgb(y,u,v,a,b){
a[b+0]=255;
VP8YuvToArgbKeepA(y,u,v,a,b)
}
var dl=1<<dk-1;
var dm=Arr(256,int16_t),VP8kUToB=Arr(256,int16_t);
var dn=Arr(256,int32_t),VP8kUToG=Arr(256,int32_t);
var dp=Arr(YUV_RANGE_MAX-YUV_RANGE_MIN,uint8_t);
var dq=Arr(YUV_RANGE_MAX-YUV_RANGE_MIN,uint8_t);
var dr=0;
function clip(v,a){
return v<0?0:v>a?a:v
}
function VP8YUVInit(a){
var i;
if(dr)return;
for(i=0;
i<256;
++i){
dm[i]=89858*(i-128)+dl>>dk;
VP8kUToG[i]=-22014*(i-128)+dl;
dn[i]=-45773*(i-128);
VP8kUToB[i]=113618*(i-128)+dl>>dk
}
for(i=YUV_RANGE_MIN;
i<YUV_RANGE_MAX;
++i){
var k=(i-16)*76283+dl>>dk;
dp[i-YUV_RANGE_MIN]=clip(k,255);
dq[i-YUV_RANGE_MIN]=clip(k+8>>4,15)
}
dr=1
}
function LOAD_UV(u,v){
return u|v<<16
}
function FUNC_NAME(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s){
var x;
var t=q-1>>1;
var u=LOAD_UV(e[f+0],g[h+0]);
var v=LOAD_UV(i[j+0],k[l+0]);
if(a){
var w=3*u+v+131074>>2;
r(a[b+0],w&255,w>>16,m,n)
}
if(c){
var w=3*v+u+131074>>2;
r(c[d+0],w&255,w>>16,o,p)
}
for(x=1;
x<=t;
++x){
var y=LOAD_UV(e[f+x],g[h+x]);
var z=LOAD_UV(i[j+x],k[l+x]);
var A=u+y+v+z+524296;
var B=A+2*(y+v)>>3;
var C=A+2*(u+z)>>3;
if(a){
var w=B+u>>1;
var D=C+y>>1;
r(a[b+2*x-1],w&255,w>>16,m,n+(2*x-1)*s);
r(a[b+2*x-0],D&255,D>>16,m,n+(2*x-0)*s)
}
if(c){
var w=C+v>>1;
var D=B+z>>1;
r(c[d+2*x-1],w&255,w>>16,o,p+(2*x-1)*s);
r(c[d+2*x+0],D&255,D>>16,o,p+(2*x+0)*s)
}
u=y;
v=z
}
if(!(q&1)){
if(a){
var w=3*u+v+131074>>2;
r(a[b+q-1],w&255,w>>16,m,n+(q-1)*s)
}
if(c){
var w=3*v+u+131074>>2;
r(c[d+q-1],w&255,w>>16,o,p+(q-1)*s)
}
}
}
function UpsampleArgbLinePair(A,a,B,b,C,c,D,d,E,e,F,f,G,g,H,h,l){
FUNC_NAME(A,a,B,b,C,c,D,d,E,e,F,f,G,g,H,h,l,VP8YuvToArgb,4)
}
function UpsampleArgbKeepAlphaLinePair(A,a,B,b,C,c,D,d,E,e,F,f,G,g,H,h,l){
FUNC_NAME(A,a,B,b,C,c,D,d,E,e,F,f,G,g,H,h,l,VP8YuvToArgbKeepA,4)
}
var ds=new Array(MODE_LAST);
var dt=new Array(MODE_LAST);
function InitUpsamplers(a){
ds[MODE_ARGB]=UpsampleArgbLinePair;
dt[MODE_ARGB]=UpsampleArgbKeepAlphaLinePair
}
function FUNC_NAME_SAMPLE(a,b,c,d,u,e,v,f,g,h,j,k,l,m,n){
var i;
for(i=0;
i<l-1;
i+=2){
m(a[b+0],u[e+0],v[f+0],g,h);
m(a[b+1],u[e+0],v[f+0],g,h+n);
m(c[d+0],u[e+0],v[f+0],j,k);
m(c[d+1],u[e+0],v[f+0],j,k+n);
b+=2;
d+=2;
e++;
f++;
h+=2*n;
k+=2*n
}
if(i==l-1){
m(a[b+0],u[e+0],v[f+0],g,h);
m(c[d+0],u[e+0],v[f+0],j,k)
}
}
function SampleArgbLinePair(A,a,B,b,C,c,D,d,E,e,F,f,l){
FUNC_NAME_SAMPLE(A,a,B,b,C,c,D,d,E,e,F,f,l,VP8YuvToArgb,4)
}
var du=new Array(0,0,0,0,SampleArgbLinePair,0,0);
var dv=0;
function EmitSampledRGB(a,p){
var b=p.output;
var c=b.u.RGBA;
var d=c.rgba;
var e=c.rgba_off+a.mb_y*c.stride;
var f=a.y;
var g=a.y_off;
var h=a.u;
var i=a.u_off;
var k=a.v;
var l=a.v_off;
var m=du[b.colorspace];
var n=a.mb_w;
var o=a.mb_h-1;
var j;
for(j=0;
j<o;
j+=2){
m(f,g,f,g+a.y_stride,h,i,k,l,d,e,d,e+c.stride,n);
g+=2*a.y_stride;
i+=a.uv_stride;
l+=a.uv_stride;
e+=2*c.stride
}
if(j==o)m(f,g,f,g,h,i,k,l,d,e,d,e,n);
return a.mb_h
}
function EmitFancyRGB(a,p){
var b=a.mb_h;
var c=p.output.u.RGBA;
var d=c.rgba;
var e=c.rgba_off+a.mb_y*c.stride;
var f=a.a?dt[p.output.colorspace]:ds[p.output.colorspace];
var g=a.y;
var h=a.y_off;
var i=a.u;
var j=a.u_off;
var k=a.v;
var l=a.v_off;
var m=p.tmp_u;
var n=p.tmp_u_off;
var o=p.tmp_v;
var q=p.tmp_v_off;
var y=a.mb_y;
var r=a.mb_y+a.mb_h;
var s=a.mb_w;
var t=parseInt((s+1)/2);
if(y==0)f(null,null,g,h,i,j,k,l,i,j,k,l,null,null,d,e,s);
else{
f(p.tmp_y,p.tmp_y_off,g,h,m,n,o,q,i,j,k,l,d,e-c.stride,d,e,s);
b++
}
for(;
y+2<r;
y+=2){
m=i;
n=j;
o=k;
q=l;
j+=a.uv_stride;
l+=a.uv_stride;
e+=2*c.stride;
h+=2*a.y_stride;
f(g,h-a.y_stride,g,h,m,n,o,q,i,j,k,l,d,e-c.stride,d,e,s)
}
h+=a.y_stride;
if(a.crop_top+r<a.crop_bottom){
memcpy(p.tmp_y,p.tmp_y_off,g,h,s*sizeof(p.tmp_y));
memcpy(p.tmp_u,p.tmp_u_off,i,j,t*sizeof(p.tmp_u));
memcpy(p.tmp_v,p.tmp_v_off,k,l,t*sizeof(p.tmp_v));
b--
}
else if(!(r&1))f(g,h,null,null,i,j,k,l,i,j,k,l,d,e+c.stride,null,null,s);
return b
}
function EmitAlphaRGB(a,p){
var b=p.output.colorspace;
var c=b==MODE_ARGB?0:b==MODE_RGBA_4444?1:3;
var d=b==MODE_RGBA_4444?2:4;
var e=a.mb_w;
var f=a.mb_h;
var i,j;
var g=p.output.u.RGBA;
var h=g.rgba;
var k=g.rgba_off+a.mb_y*g.stride;
var l=a.a;
var m=a.a_off;
if(l!=null)for(j=0;
j<f;
++j){
for(i=0;
i<e;
++i)h[k+d*i+c]=l[m+i];
m+=a.width;
k+=g.stride
}
return 0
}
var dw=30;
function MULT(x,y){
return x*y+(1<<dw-1)>>dw
}
function IsAlphaMode(a){
return a==MODE_RGBA||a==MODE_BGRA||a==MODE_ARGB||a==MODE_RGBA_4444||a==MODE_YUVA
}
function InitFromOptions(a,b){
var W=b.width;
var H=b.height;
var x=0,y=0,w=W,h=H;
b.use_cropping=a!=null&&a.use_cropping>0;
if(b.use_cropping){
w=a.crop_width;
h=a.crop_height;
x=a.crop_left&~1;
y=a.crop_top&~1;
if(x<0||y<0||w<=0||h<=0||x+w>W||y+h>H)return 0
}
b.crop_left=x;
b.crop_top=y;
b.crop_right=x+w;
b.crop_bottom=y+h;
b.mb_w=w;
b.mb_h=h;
b.use_scaling=(a!=null&&a.use_scaling>0)+0;
b.bypass_filtering=a&&a.bypass_filtering;
b.fancy_upsampling=(a==null||!a.no_fancy_upsampling)+0;
return 1
}
function CustomSetup(a){
var p=a.opaque;
var b=p.output.colorspace<MODE_YUV;
p.memory=null;
p.emit=null;
p.emit_alpha=null;
if(!InitFromOptions(p.options_,a))return 0;
if(a.use_scaling);
else{
if(b){
p.emit=EmitSampledRGB;
if(a.fancy_upsampling){
var c=a.mb_w+1>>1;
p.memory=malloc(a.mb_w+2*c,205);
if(p.memory==null){
alert2("memory error #2");
return 0
}
p.tmp_y=p.memory;
p.tmp_y_off=0;
p.tmp_u=p.tmp_y;
p.tmp_u_off=p.tmp_y_off+a.mb_w;
p.tmp_v=p.tmp_u;
p.tmp_v_off=p.tmp_u_off+c;
p.emit=EmitFancyRGB;
InitUpsamplers()
}
}
else;
if(IsAlphaMode(p.output.colorspace))p.emit_alpha=b?EmitAlphaRGB:0
}
if(b)VP8YUVInit();
return 1
}
function CustomPut(a){
var p=a.opaque;
var b=a.mb_w;
var c=a.mb_h;
var d;
assert(!(a.mb_y&1));
if(b<=0||c<=0)return 0;
d=p.emit(a,p);
p.last_y+=d;
if(p.emit_alpha)p.emit_alpha(a,p);
return 1
}
function CustomTeardown(a){
var p=a.opaque;
p.memory="";
p.memory=null
}
function WebPInitCustomIo(a,b){
b.put=CustomPut;
b.setup=CustomSetup;
b.teardown=CustomTeardown;
b.opaque=a
}
var cV=12;
function WebPCheckAndSkipRIFFHeader(a,b,c,d){
if(c.value>=cV&&!memcmp(a,b.value,"RIFF",4))if(memcmp(a,b.value+8,"WEBP",4))return 0;
else{
d.value=get_le32(a,b.value+4);
if(d.value<cV)return 0;
b.value+=cV;
c.value-=cV
}
else d.value=0;
return 1
}
function WebPResetDecParams(a){
if(a){}
}
function DecodeInto(a,b,c,d){
var e=new VP8New;
var f=bE;
var g=newObjectIt(bH);
var h=1;
assert(d);
if(e==null)return VP8_STATUS_INVALID_PARAM;
VP8InitIo(g);
g.data=a;
g.data_off=b;
g.data_size=c;
WebPInitCustomIo(d,g);
e.use_threads_=0;
if(!VP8GetHeaders(e,g))f=VP8_STATUS_BITSTREAM_ERROR;
else{
f=WebPAllocateDecBuffer(g.width,g.height,d.options_,d.output);
if(f==bE)if(!VP8Decode(e,g))f=e.status_
}
VP8Delete(e);
if(f!=bE)this.WebPFreeDecBuffer(d.output);
return f
}
function DecodeIntoRGBABuffer(a,b,c,d,e,f){
var g=newObjectIt(bI);
var h=newObjectIt(bD);
if(d==null)return null;
WebPInitDecBuffer(h);
WebPResetDecParams(g);
g.output=h;
h.colorspace=a;
h.u.RGBA.rgba=d;
h.u.RGBA.rgba_off=0;
h.u.RGBA.stride=e;
h.u.RGBA.size=f;
h.is_external_memory=1;
if(DecodeInto(b,0,c,g)!=bE)return null;
return d
}
function WebPDecodeARGBInto(a,b,c,d,e){
return DecodeIntoRGBABuffer(MODE_ARGB,a,b,c,e,d)
}
function Decode(a,b,c,d,e,f){
var g={
value:0
};
var c={
value:c
};
var h=newObjectIt(bI);
var i=newObjectIt(bD);
WebPInitDecBuffer(i);
WebPResetDecParams(h);
h.output=i;
i.colorspace=a;
var o={
data_off:{
value:0
}
,width:{
value:i.width
}
,height:{
value:i.height
}
};
if(!WebPGetInfo(b,g,c,o.width,o.height))return null;
i.width=o.width.value;
i.height=o.height.value;
if(d)d.value=i.width.value;
if(e)e.value=i.height.value;
if(DecodeInto(b,g.value,c.value,h)!=bE)return null;
if(f)WebPCopyDecBuffer(i,f);
return a>=MODE_YUV?i.u.YUVA.y:i.u.RGBA.rgba
}
this.WebPDecodeARGB=function(a,b,c,d){
return Decode(MODE_ARGB,a,b,c,d,null)
};
function DefaultFeatures(a){
assert(a);
a.bitstream_version=0
}
function GetFeatures(a,b,c,d){
var e={
value:0
};
var f={
value:0
};
var g={
value:0
};
var h={
value:0
};
var i={
value:0
};
if(d==null)return VP8_STATUS_INVALID_PARAM;
DefaultFeatures(d);
if(a==null||b==null||c.value==0)return VP8_STATUS_INVALID_PARAM;
if(!WebPCheckAndSkipRIFFHeader(a,b,c,f))return VP8_STATUS_BITSTREAM_ERROR;
if(!VP8XGetInfo(a,b,c,h,d.width,d.height,g))return VP8_STATUS_BITSTREAM_ERROR;
if(h.value>0)return bE;
if(!VP8CheckAndSkipHeader(a,b,c,i,e,f))return VP8_STATUS_BITSTREAM_ERROR;
if(i.value==-1)return VP8_STATUS_BITSTREAM_ERROR;
if(!i.value)e.value=c.value;
if(!VP8GetInfo(a,b,c,e,d.width,d.height,d.has_alpha))return VP8_STATUS_BITSTREAM_ERROR;
return bE
}
function WebPGetInfo(a,b,c,d,e){
var f=newObjectIt(bF);
if(GetFeatures(a,b,c,f)!=bE)return 0;
if(d)d.value=f.width;
if(e)e.value=f.height;
return 1
}
function WebPInitDecoderConfigInternal(a,b){
if(b!=bz)return 0;
if(a==null)return 0;
DefaultFeatures(a.input);
WebPInitDecBuffer(a.output);
return 1
}
function WebPGetFeaturesInternal(a,b,c,d){
if(d!=bz)return VP8_STATUS_INVALID_PARAM;
if(c==null)return VP8_STATUS_INVALID_PARAM;
var e={
value:0
};
var b={
value:b
};
return GetFeatures(a,e,b,c)
}
this.WebPDecode=function(a,b,c){
var d=newObjectIt(bI);
var e="VP8StatusCode";
if(!c)return VP8_STATUS_INVALID_PARAM;
var f={
value:0
};
b={
value:b
};
e=GetFeatures(a,f,b,c.input);
if(e!=bE)return e;
WebPResetDecParams(d);
d.output=c.output;
d.options_=c.options;
e=DecodeInto(a,f.value,b.value,d);
return e
}
}
if(!window.getComputedStyle)window.getComputedStyle=function(c,d){
this.el=c;
this.getPropertyValue=function(a){
var b=/(\-([a-z]){1})/g;
if(a=="float")a="styleFloat";
if(b.test(a))a=a.replace(b,function(){
return arguments[2].toUpperCase()
});
return c.currentStyle[a]?c.currentStyle[a]:null
};
return this
};
var IEBinaryToArray_ByteStr_Script="<\!-- IEBinaryToArray_ByteStr --\>\r\n"+"Function IEBinaryToArray_ByteStr(Binary)\r\n"+"\tIEBinaryToArray_ByteStr = CStr(Binary)\r\n"+"End Function\r\n"+"Function IEBinaryToArray_ByteStr_Last(Binary)\r\n"+"\tDim lastIndex\r\n"+"\tlastIndex = LenB(Binary)\r\n"+"\tif lastIndex mod 2 Then\r\n"+"\t\tIEBinaryToArray_ByteStr_Last = Chr( AscB( MidB( Binary, lastIndex, 1 ) ) )\r\n"+"\tElse\r\n"+"\t\tIEBinaryToArray_ByteStr_Last = "+'""'+"\r\n"+"\tEnd If\r\n"+"End Function\r\n";
function vbscript_IEBinaryToArray_ByteStr(){
var a=document.createElement("script");
a.type="text/vbscript";
var s=document.getElementsByTagName("script")[0];
a.innerHTML=IEBinaryToArray_ByteStr_Script;
s.parentNode.insertBefore(a,s)
}
function convertResponseBodyToText(b){
var c={};
for(var i=0;
i<256;
i++)for(var j=0;
j<256;
j++)c[String.fromCharCode(i+j*256)]=String.fromCharCode(i)+String.fromCharCode(j);
try{
var d=IEBinaryToArray_ByteStr(b);
var f=IEBinaryToArray_ByteStr_Last(b);
return d.replace(/[\s\S]/g,function(a){
return c[a]
})+f
}
catch(e){
return null
}
}
function WebPJSInit(){
var D="webpjs-0.0.2.min.js";
var E="webpjs-0.0.2.swf";
var F="";
var G=document.getElementsByTagName("script");
var H=G.length;
for(var i=0;
i<H;
++i)if(G[i].src.indexOf(D)>=0){
F=G[i].src.substr(0,G[i].src.lastIndexOf("/")+1);
break
}
var I=F+E;
function checkWebPSupport(){
var a=new Image;
a.onload=function(){
if(a.width==2&&a.height==2)startDecoding();
else startDecoding()
};
a.onerror=function(){
startDecoding()
};
var b="data:image/webp;base64,UklGRjoAAABXRUJQVlA4IC4AAACyAgCdASoCAAIALmk0mk0iIiIiIgBoSygABc6WWgAA/veff/0PP8bA//LwYAAA";
a.src=b;
a.setAttribute("src",b)
}
checkWebPSupport();
var J=false;
function startDecoding(){
if(J)return;
J=true;
function IsWebPFile(a){
if(a.substr(a.length-5,a.length)==".webp")return 1;
else return 0
}
var p=document.createElement("img");
function makeCacheValidUrl(a,b){
if(b.indexOf("http://")!=0)b=a+""+b;
p.src=b;
b=p.src;
return b
}
function checkAndAddToWaitList(a,b,c,d){
if(IsWebPFile(b))addFilenameToWaitList(a,b,c,d)
}
var q=[];
function addFilenameToWaitList(a,b,c,d){
b=makeCacheValidUrl(a,b);
q.push(new Array(b,c,d?d:0))
}
function removeQuotes(a){
var c=(a.substr(a.indexOf("url")+4).substr(0,1)=='"'||a.substr(a.indexOf("url")+4).substr(0,1)=="'")+0;
var b=a.substr(a.indexOf("url")+4+c,a.lastIndexOf(")")-c-(a.indexOf("url")+4+c));
return b
}
var r=document.body.getElementsByTagName("*");
for(var i=0;
i<document.images.length;
i++)checkAndAddToWaitList("",document.images[i].src,document.images[i],1);
for(var s=0;
s<r.length;
s++){
var t=r[s];
var u=window.getComputedStyle(t,null).getPropertyValue("background-image");
if(u.match("url")){
var v=removeQuotes(u);
checkAndAddToWaitList("",v,t)
}
}
var x=0;
if(typeof JSON!=="undefined"&&!!document.createElement("canvas").getContext){
var z=typeof XMLHttpRequest!=="undefined"?new XMLHttpRequest:window.ActiveXObject?new ActiveXObject("MSXML2.XMLHTTP"):null;
var A=new WebPDecoder
}
(function(){
var d="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
function base64encode(a){
var b,i,len;
var c,c2,c3;
len=a.length;
i=0;
b="";
while(i<len){
c=a.charCodeAt(i++)&255;
if(i==len){
b+=d.charAt(c>>2);
b+=d.charAt((c&3)<<4);
b+="==";
break
}
c2=a.charCodeAt(i++);
if(i==len){
b+=d.charAt(c>>2);
b+=d.charAt((c&3)<<4|(c2&240)>>4);
b+=d.charAt((c2&15)<<2);
b+="=";
break
}
c3=a.charCodeAt(i++);
b+=d.charAt(c>>2);
b+=d.charAt((c&3)<<4|(c2&240)>>4);
b+=d.charAt((c2&15)<<2|(c3&192)>>6);
b+=d.charAt(c3&63)
}
return b
}
if(!window.btoa)window.btoa=base64encode
})();
Number.prototype.toUInt=function(){
return this<0?this+4294967296:this
};
Number.prototype.bytes32=function(){
return[this>>>24&255,this>>>16&255,this>>>8&255,this&255]
};
Number.prototype.bytes16sw=function(){
return[this&255,this>>>8&255]
};
Array.prototype.adler32=function(c,d){
switch(arguments.length){
case 0:c=0;
case 1:d=this.length-c
}
var a=1,b=0;
for(var i=0;
i<d;
i++){
a=(a+this[c+i])%65521;
b=(b+a)%65521
}
return(b<<16|a).toUInt()
};
Array.prototype.crc32=function(a,b){
switch(arguments.length){
case 0:a=0;
case 1:b=this.length-a
}
var d=arguments.callee.crctable;
if(!d){
d=[];
var c;
for(var n=0;
n<256;
n++){
c=n;
for(var k=0;
k<8;
k++)c=c&1?3988292384^c>>>1:c>>>1;
d[n]=c.toUInt()
}
arguments.callee.crctable=d
}
var c=4294967295;
for(var i=0;
i<b;
i++)c=d[(c^this[a+i])&255]^c>>>8;
return(c^4294967295).toUInt()
};
(function(){
var l=function(){
var a=Array.prototype.slice.call(this.getContext("2d").getImageData(0,0,this.width,this.height).data);
var w=this.width;
var h=this.height;
var b=[137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82];
Array.prototype.push.apply(b,w.bytes32());
Array.prototype.push.apply(b,h.bytes32());
b.push(8,6,0,0,0);
Array.prototype.push.apply(b,b.crc32(12,17).bytes32());
var d=h*(w*4+1);
for(var y=0;
y<h;
y++)a.splice(y*(w*4+1),0,0);
var e=Math.ceil(d/32768);
Array.prototype.push.apply(b,(d+5*e+6).bytes32());
var f=b.length;
var g=d+5*e+6+4;
b.push(73,68,65,84,120,1);
for(var i=0;
i<e;
i++){
var j=Math.min(32768,d-i*32768);
b.push(i==e-1?1:0);
Array.prototype.push.apply(b,j.bytes16sw());
Array.prototype.push.apply(b,(~j).bytes16sw());
var k=a.slice(i*32768,i*32768+j);
Array.prototype.push.apply(b,k)
}
Array.prototype.push.apply(b,a.adler32().bytes32());
Array.prototype.push.apply(b,b.crc32(f,g).bytes32());
b.push(0,0,0,0,73,69,78,68);
Array.prototype.push.apply(b,b.crc32(b.length-4,4).bytes32());
return"data:image/png;base64,"+btoa(b.map(function(c){
return String.fromCharCode(c)
}).join(""))
};
if(typeof HTMLCanvasElement!=="undefined"){
var m=HTMLCanvasElement.prototype.toDataURL;
HTMLCanvasElement.prototype.toDataURL=function(a){
var b=m.apply(this,arguments);
if(b=="data:,"){
HTMLCanvasElement.prototype.toDataURL=l;
return this.toDataURL()
}
else{
HTMLCanvasElement.prototype.toDataURL=m;
return b
}
}
}
})();
function bitmapToPNGFromCanvas(a,b){
if(a!=null){
var c=b.height.value;
var d=b.width.value;
var e=document.createElement("canvas");
e.id="webbpywebpcanvas";
e.innerHTML="text";
document.body.appendChild(e);
var f=document.getElementById("webbpywebpcanvas");
f.style.display="none";
f.height=c;
f.width=d;
var g=f.getContext("2d");
var i=g.createImageData(f.width,f.height);
var j=i.data;
for(var h=0;
h<c;
h++)for(var w=0;
w<d;
w++){
j[2+w*4+d*4*h]=a[3+w*4+d*4*h];
j[1+w*4+d*4*h]=a[2+w*4+d*4*h];
j[0+w*4+d*4*h]=a[1+w*4+d*4*h];
j[3+w*4+d*4*h]=a[0+w*4+d*4*h]
}
g.putImageData(i,0,0);
var k=f.toDataURL("image/png");
document.body.removeChild(document.getElementById("webbpywebpcanvas"))
}
else k=b.URL;
return k
}
var B=[];
function InsertIntoCacheList(a,b){
B.push(new Array(a,b))
}
function in_cacheList(a){
for(var i=0;
i<B.length;
i++)if(a===B[i][0])return WebPData=B[i][1];
return false
}
function writeResultIntoElement(a,b){
if(a&&a.type=="PNGDataBase64"){
var c=q[x][1];
if(q[x][2])c.src=a.Data;
else c.style.backgroundImage="url("+a.Data+")"
}
else if(a==null&&b=="as"){
var d=q[x][1];
var e=q[x][2];
if(e==0){
var f;
if(typeof d.selectorText==="undefined")addEmbedObjectBG(d,x,a)
}
else if(e==1)addEmbedObjectIMG(d,x,a)
}
}
function waitListNext(){
setTimeout(function(){
x++;
if(x<q.length)waitListProcess(x);
if(x>=q.length)B=[]
}
,0)
}
function waitListProcess(b){
var c=q[b][0];
if(!!document.createElement("canvas").getContext)if(WebPData=in_cacheList(c)){
writeResultIntoElement(WebPData);
waitListNext()
}
else{
z.open("get",c);
if(z.overrideMimeType)z.overrideMimeType("text/plain; charset=x-user-defined");
else z.setRequestHeader("Accept-Charset","x-user-defined");
if (z.responseType === undefined)
{
z.onload=function(){
if(z.status==200)try{
if(typeof z.responseBody=="undefined")var a=z.responseText.split("").map(function(e){
return e.charCodeAt(0)&255
});
else{
vbscript_IEBinaryToArray_ByteStr();
var a=convertBinaryToArray(convertResponseBodyToText(z.responseBody))
}
DecodeWebPImage(c,a,"js")
}
catch(e){
waitListNext()
}
else waitListNext()
};
}
else
{
z.responseType = "arraybuffer";
z.onload=function(){
if(z.status==200)try{
DecodeWebPImage(c,new Uint8Array(z.response),"js")
}
catch(e){
waitListNext()
}
else waitListNext()
};
}
z.send()
}
else writeResultIntoElement(null,"as")
}
function getOuterHTML(o){
var e=document.createElement("div");
e.appendChild(o.cloneNode(true));
return e.innerHTML
}
function addEmbedObjectIMG(a,b,c){
var d=window.getComputedStyle(a,null);
var e=q[b][0];
var f=a.innerHTML;
var g=a.currentStyle?a.currentStyle["width"]:window.getComputedStyle(a,null).getPropertyValue("width");
var h=a.currentStyle?a.currentStyle["height"]:window.getComputedStyle(a,null).getPropertyValue("height");
var i=document.createElement("div");
i.style.display="inline";
if(a.style.cssText!=="")i.style.cssText=a.style.cssText;
if(a.className!=="")i.className=a.className;
if(a.id!=="")i.id=a.id+" ";
var j=/<img((\s+\w+=[^\+]+))>/im.exec(getOuterHTML(a))[1]+"";
var k=j.indexOf("width=")>0?/(\S+)=["']?((?:.(?!["']?\s+(?:\S+)=|["']))+.)["']?/.exec(j.substr(j.indexOf("width=")))[2]:"";
var l=j.indexOf("height=")>0?/(\S+)=["']?((?:.(?!["']?\s+(?:\S+)=|["']))+.)["']?/.exec(j.substr(j.indexOf("height=")))[2]:"";
if((h+""+l).indexOf("%")>0&&checkElementHeight(a)!==false){
l="";
h="auto"
}
i.innerHTML='<div id="divfsWebPid_'+C+'" style="display:inline;width:100%;min-height: 100%;height:auto !important;height:100%;"><object style="" width="10" height="10" name="fsWebPid_'+C+'" ID="fsWebPid_'+C+'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"><param name="FlashVars" value="url='+e+"&mode=img&imgHeight="+l.replace(/%/g,"%25")+"&imgWidth="+k.replace(/%/g,"%25")+"&styleHeight="+h.replace(/%/g,"%25")+"&styleWidth="+g.replace(/%/g,"%25")+"&id="+C+'"/><param name="movie" value="'+I+'"/><param name="wmode" value="transparent"></object></div>';
a.style.display="none";
a.parentNode.insertBefore(i,a.nextSibling);
C++
}
function addEmbedObjectBG(a,b,c){
var d=window.getComputedStyle(a,null);
var e=q[b][0];
var f=a.innerHTML;
var g=a.currentStyle?a.currentStyle["width"]:d.getPropertyValue("width");
g=!!g&&g!="auto"?g:"100%";
var h=a.currentStyle?a.currentStyle["height"]:d.getPropertyValue("height");
h=!!h&&h!="auto"?h:"100%";
var i=d.getPropertyValue("background-repeat");
i=i?i:"repeat";
var j=d.getPropertyValue("background-position");
if(j==null||j.split(" ").length<2)j=d.getPropertyValue("background-position-x")+" "+d.getPropertyValue("background-position-y");
a.innerHTML='<div style="width:100%;min-height: 100%;height:auto !important;height:100%; position:relative; z-index:0"><object style="position:absolute; left:0; top:0;" width="'+g+'" height="'+h+'" name="fsWebPid_'+C+'" ID="fsWebPid_'+C+'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"><param name="FlashVars" value="url='+e+"&mode=bg&backgroundRepeat="+i+"&backgroundPosition="+j.replace(/%/g,"%25")+"&id="+C+'"/><param name="movie" value="'+I+'"/><param name="wmode" value="transparent"></object><div style="position:absolute; left:0; top:0;">'+f+"</div></div>";
if(a.style.position!=""&&a.style.zIndex=="")a.style.zIndex="1";
C++
}
function checkElementHeight(e){
var a=e.style.position;
e.style.position="absolute";
var b=e.height;
e.style.position=a;
return b!=e.height?b:false
}
var C=0;
window["webpFSCommand"]=function(a,b){
if(a=="status"){
b=b.split("|");
if(b[1]=="finish"||b[1]=="error")waitListNext()
}
else if(a=="img"||a=="imgresize")if(b!=""){
b=b.split("|");
var c=document.getElementById("divfsWebPid_"+b[0]+"").parentNode;
c.style.width=b[1];
c.style.height=b[2];
var d=document.getElementById("fsWebPid_"+b[0]+"");
d.setAttribute("width",b[1].indexOf("%")>0?"100%":b[1].replace("px",""));
d.setAttribute("height",b[2].indexOf("%")>0?"100%":b[2].replace("px",""));
d.style.width=b[1].indexOf("%")>0?"100%":b[1];
d.style.height=b[2].indexOf("%")>0?"100%":b[2]
}
};
function DecodeWebPImage(a,b,c){
if(c="js"){
try{
var d={
width:{
value:0
}
,height:{
value:0
}
};
var e=new WebPDecoder;
var f=false;
b=b;
var g=e.WebPDecoderConfig;
var h=g.output;
var i=g.input;
if(!e.WebPInitDecoderConfig(g))f=true;
var j=e.VP8StatusCode;
status=e.WebPGetFeatures(b,b.length,i);
if(status!=j.VP8_STATUS_OK)f=true;
var k=e.WEBP_CSP_MODE;
h.colorspace=k.MODE_ARGB;
status=e.WebPDecode(b,b.length,g);
d.width.value=h.width;
d.height.value=h.height;
ok=status==j.VP8_STATUS_OK;
if(!ok)f=true;
var l=!f?h.u.RGBA.rgba:null
}
catch(err){
l=null
}
var m={
Data:bitmapToPNGFromCanvas(l,d),type:"PNGDataBase64"
}
}
InsertIntoCacheList(a,m);
writeResultIntoElement(m);
waitListNext()
}
if(q.length>0)waitListProcess(x)
}
}
(function(i){
var u=navigator.userAgent.toLowerCase();
var b=false;
if (document.readyState !== "loaded" && document.readyState !== "complete") window.onload=i;
else i();
})(WebPJSInit);
}
());
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