Browse Source

Added webp support

Included libwebpjs v0.2.0
Supported stickers in composer and in messages
Closes #636
master
Igor Zhukov 10 years ago
parent
commit
e04ec4cf30
  1. 1
      app/index.html
  2. 71
      app/js/directives.js
  3. 22
      app/js/lib/ng_utils.js
  4. 94
      app/js/lib/utils.js
  5. 30
      app/js/services.js
  6. 4
      app/partials/desktop/message_attach_document.html
  7. 154
      app/vendor/libwebpjs/libwebp-0.2.0.min.js
  8. 2
      app/webogram.appcache

1
app/index.html

@ -63,6 +63,7 @@
<script type="text/javascript" src="vendor/zlib/gunzip.min.js"></script> <script type="text/javascript" src="vendor/zlib/gunzip.min.js"></script>
<script type="text/javascript" src="vendor/closure/long.js"></script> <script type="text/javascript" src="vendor/closure/long.js"></script>
<script type="text/javascript" src="vendor/leemon_bigint/bigint.js"></script> <script type="text/javascript" src="vendor/leemon_bigint/bigint.js"></script>
<script type="text/javascript" src="vendor/libwebpjs/libwebp-0.2.0.min.js"></script>
<script type="text/javascript" src="js/lib/utils.js"></script> <script type="text/javascript" src="js/lib/utils.js"></script>

71
app/js/directives.js

@ -413,7 +413,7 @@ angular.module('myApp.directives', ['myApp.filters'])
$scope.$broadcast('ui_dialogs_search'); $scope.$broadcast('ui_dialogs_search');
$($window).scrollTop(0); $($window).scrollTop(0);
$timeout(function () { $timeout(function () {
searchField.focus(); setFieldSelection(searchField);
}) })
}); });
@ -460,7 +460,7 @@ angular.module('myApp.directives', ['myApp.filters'])
if (e.keyCode == 27 || e.keyCode == 9 && e.shiftKey && !e.ctrlKey && !e.metaKey) { // ESC or Shift + Tab if (e.keyCode == 27 || e.keyCode == 9 && e.shiftKey && !e.ctrlKey && !e.metaKey) { // ESC or Shift + Tab
if (!searchFocused) { if (!searchFocused) {
searchField.focus(); setFieldSelection(searchField);
if (searchField.value) { if (searchField.value) {
searchField.select(); searchField.select();
} }
@ -1579,6 +1579,68 @@ angular.module('myApp.directives', ['myApp.filters'])
} }
}) })
.directive('myLoadSticker', function(MtpApiFileManager, FileManager) {
var emptySrc = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
return {
link: link,
scope: {
document: '='
}
};
function link ($scope, element, attrs) {
var imgElement = element;
var setSrc = function (blob) {
if (WebpManager.isWebpSupported()) {
imgElement.attr('src', FileManager.getUrl(blob, 'image/webp'));
return;
}
FileManager.getByteArray(blob).then(function (bytes) {
imgElement.attr('src', WebpManager.getPngUrlFromData(bytes));
});
};
imgElement.css({
width: $scope.document.thumb.width,
height: $scope.document.thumb.height
});
var smallLocation = $scope.document.thumb.location;
var fullLocation = {
_: 'inputDocumentFileLocation',
id: $scope.document.id,
access_hash: $scope.document.access_hash,
dc_id: $scope.document.dc_id
};
var cachedBlob = MtpApiFileManager.getCachedFile(fullLocation);
var fullDone = false;
if (!cachedBlob) {
cachedBlob = MtpApiFileManager.getCachedFile(smallLocation);
} else {
fullDone = true;
}
if (cachedBlob) {
setSrc(cachedBlob);
if (fullDone) {
return;
}
} else {
imgElement.attr('src', emptySrc);
}
MtpApiFileManager.downloadFile($scope.document.dc_id, fullLocation, $scope.document.size).then(function (blob) {
setSrc(blob);
}, function (e) {
console.log('Download sticker failed', e, fullLocation);
});
}
})
.directive('myLoadDocument', function(MtpApiFileManager, AppDocsManager, FileManager) { .directive('myLoadDocument', function(MtpApiFileManager, AppDocsManager, FileManager) {
return { return {
@ -1748,7 +1810,7 @@ angular.module('myApp.directives', ['myApp.filters'])
return false; return false;
} }
setTimeout(function () { setTimeout(function () {
element[0].focus(); setFieldSelection(element[0]);
}, 100); }, 100);
} }
}; };
@ -1762,7 +1824,7 @@ angular.module('myApp.directives', ['myApp.filters'])
return false; return false;
} }
onContentLoaded(function () { onContentLoaded(function () {
element[0].focus(); setFieldSelection(element[0]);
}); });
}); });
} }
@ -2615,7 +2677,6 @@ angular.module('myApp.directives', ['myApp.filters'])
var ev = attrs.myScrollToOn; var ev = attrs.myScrollToOn;
var doScroll = function () { var doScroll = function () {
onContentLoaded(function () { onContentLoaded(function () {
console.log(111,element, element.offset().top);
$('html, body').animate({ $('html, body').animate({
scrollTop: element.offset().top scrollTop: element.offset().top
}, 200); }, 200);

22
app/js/lib/ng_utils.js

@ -182,6 +182,27 @@ angular.module('izhukov.utils', [])
return 'data:' + mimeType + ';base64,' + bytesToBase64(fileData); return 'data:' + mimeType + ';base64,' + bytesToBase64(fileData);
} }
function getByteArray(fileData) {
if (fileData instanceof Blob) {
var deferred = $q.defer();
try {
var reader = new FileReader();
reader.onloadend = function (e) {
deferred.resolve(new Uint8Array(e.target.result));
};
reader.onerror = function (e) {
deferred.reject(e);
};
reader.readAsArrayBuffer(fileData);
return deferred.promise;
} catch (e) {
return $q.reject(e);
}
}
return $q.when(fileData);
}
function getDataUrl(blob) { function getDataUrl(blob) {
var deferred; var deferred;
try { try {
@ -275,6 +296,7 @@ angular.module('izhukov.utils', [])
chooseSave: chooseSaveFile, chooseSave: chooseSaveFile,
getUrl: getUrl, getUrl: getUrl,
getDataUrl: getDataUrl, getDataUrl: getDataUrl,
getByteArray: getByteArray,
getFileCorrectUrl: getFileCorrectUrl, getFileCorrectUrl: getFileCorrectUrl,
download: downloadFile download: downloadFile
}; };

94
app/js/lib/utils.js

@ -450,3 +450,97 @@ function versionCompare (ver1, ver2) {
})(window); })(window);
(function (global) {
var nativeWebpSupport = false;
var image = new Image();
image.onload = function () {
nativeWebpSupport = this.width === 2 && this.height === 1;
};
image.onerror = function () {
nativeWebpSupport = false;
};
image.src = 'data:image/webp;base64,UklGRjIAAABXRUJQVlA4ICYAAACyAgCdASoCAAEALmk0mk0iIiIiIgBoSygABc6zbAAA/v56QAAAAA==';
var canvas, context;
function getPngUrlFromData(data) {
var start = tsNow();
var decoder = new WebPDecoder();
var config = decoder.WebPDecoderConfig;
var buffer = config.j;
var bitstream = config.input;
if (!decoder.WebPInitDecoderConfig(config)) {
console.error('[webpjs] Library version mismatch!');
return false;
}
// console.log('[webpjs] status code', decoder.VP8StatusCode);
status = decoder.WebPGetFeatures(data, data.length, bitstream);
if (status != 0) {
console.error('[webpjs] status error', status);
}
var mode = decoder.WEBP_CSP_MODE;
buffer.J = 4;
status = decoder.WebPDecode(data, data.length, config);
ok = (status == 0);
if (!ok) {
console.error('[webpjs] decoding failed', status);
return false;
}
// console.log('[webpjs] decoded: ', buffer.width, buffer.height, bitstream.has_alpha, 'Now saving...');
var bitmap = buffer.c.RGBA.ma;
// console.log('[webpjs] done in ', tsNow() - start);
if (!bitmap) {
return false;
}
var biHeight = buffer.height;
var biWidth = buffer.width;
if (!canvas || !context) {
canvas = document.createElement('canvas');
context = canvas.getContext('2d');
} else {
context.clearRect(0, 0, canvas.width, canvas.height);
}
canvas.height = biHeight;
canvas.width = biWidth;
var output = context.createImageData(canvas.width, canvas.height);
var outputData = output.data;
for (var h = 0; h < biHeight; h++) {
for (var w = 0; w < biWidth; w++) {
outputData[0+w*4+(biWidth*4)*h] = bitmap[1+w*4+(biWidth*4)*h];
outputData[1+w*4+(biWidth*4)*h] = bitmap[2+w*4+(biWidth*4)*h];
outputData[2+w*4+(biWidth*4)*h] = bitmap[3+w*4+(biWidth*4)*h];
outputData[3+w*4+(biWidth*4)*h] = bitmap[0+w*4+(biWidth*4)*h];
};
}
context.putImageData(output, 0, 0);
return canvas.toDataURL('image/png');
}
global.WebpManager = {
isWebpSupported: function () {
return nativeWebpSupport;
},
getPngUrlFromData: getPngUrlFromData
}
})(window);

30
app/js/services.js

@ -2837,19 +2837,6 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
else if (isSticker) { else if (isSticker) {
width = Math.min(windowW - 80, Config.Mobile ? 210 : 260); width = Math.min(windowW - 80, Config.Mobile ? 210 : 260);
height = Math.min(windowH - 100, Config.Mobile ? 210 : 260); height = Math.min(windowH - 100, Config.Mobile ? 210 : 260);
thumbPhotoSize = {
_: 'photoSize',
type: 'x',
location: {
_: 'inputDocumentFileLocation',
id: doc.id,
access_hash: doc.access_hash,
dc_id: doc.dc_id
},
w: doc.w,
h: doc.h,
size: doc.size
};
} else { } else {
width = height = 100; width = height = 100;
} }
@ -3185,10 +3172,19 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
angular.forEach(currentStickers, function (docID) { angular.forEach(currentStickers, function (docID) {
var doc = AppDocsManager.getDoc(docID); var doc = AppDocsManager.getDoc(docID);
var promise = MtpApiFileManager.downloadSmallFile(doc.thumb.location).then(function (blob) { var promise = MtpApiFileManager.downloadSmallFile(doc.thumb.location).then(function (blob) {
return { if (WebpManager.isWebpSupported()) {
id: docID, return {
src: FileManager.getUrl(blob, 'image/webp') id: docID,
}; src: FileManager.getUrl(blob, 'image/webp')
};
}
return FileManager.getByteArray(blob).then(function (bytes) {
return {
id: docID,
src: WebpManager.getPngUrlFromData(bytes)
};
});
}); });
promises.push(promise); promises.push(promise);
}); });

4
app/partials/desktop/message_attach_document.html

@ -5,8 +5,8 @@
<div ng-switch-when="sticker"> <div ng-switch-when="sticker">
<img <img
class="im_message_sticker" class="im_message_sticker"
my-load-thumb my-load-sticker
thumb="document.thumb" document="document"
/> />
</div> </div>

154
app/vendor/libwebpjs/libwebp-0.2.0.min.js vendored

@ -0,0 +1,154 @@
// 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 2011-2013 Dominik Homberger
// Libwebp Javascript / libwebpjs - the libwebp implementation in javascript (v0.2.0)
//
// Author: Dominik Homberger (dominik.homberger@gmail.com)
(function () {
var ca=void 0,p=null,s=0,x=0,la=s,E=s,bb=0,Mb=0;function M(F){return JSON.parse(JSON.stringify(F))}function N(F,G,w,D,S){for(i=0;i<S;++i)F[G+i]=w[D+i]}function Nb(F){var G=[],w=F.length,D;for(D=0;D<w;++D)G.push(F[D]);return G}function ic(F,G){var w=[];w.push(M(F));var D;for(D=0;D<G;++D)w.push(M(F));w.push(0);return w}function rc(F,G){var w=[],D;for(D=0;D<G;++D)w.push(F);w.push(0);return w}function jd(F,G,w,D){var S;for(S=0;S<D;++S)F[G+S]=w}
function kd(F,G,w,D){var S="",ga;for(ga=0;ga<D;++ga)S+=String.fromCharCode(F[G+ga]);return w==S?0:1}function U(F,G){var w,D=[];for(w=0;w<F;++w)D.push(G);return D}function ld(F,G){var w,D=[];for(w=0;w<F;++w)D.push(M(G));return D}function md(F,G){var w;for(w=F.length-1;0<=w;--w)G=M(U(F[w],G));return G}function $(F){if(!F)throw Error("assert :P");}
window.WebPDecoder=function(){function F(a){return a==Ob||a==Pb||a==Bb||a==Qb}function G(a){return S(a,1)}function w(a,b){var c=1+((a.la-1)*b>>8),d=c<<8,e=s;a.Z>=d?(e=1,a.la-=c,a.Z-=d):(e=0,a.la=c);for(;128>a.la;)a.Z<<=1,a.la<<=1,8==++a.gc&&(a.gc=0,a.bc&&(a.Z+=a.qa[a.Ia++],a.bc--));return e}function D(a,b,c,d){d-=c;2<=d?(a.Z=b[c+0]<<8|b[c+1],a.qa=b,a.Ia=c+2,a.bc=d-2):(a.Z=0,a.qa=p,a.bc=0);a.la=255;a.gc=0}function S(a,b){for(var c=0,d=s,d=b-1;0<=d;d--)c|=w(a,128)<<d;return c}function ga(a,b){var c=
S(a,b);return G(a)?-c:c}function Rb(a,b,c,d){var e=Mb;$(a!=p);$(b!=p);$(4294967288>d);a.qa=b;a.Ia=c;a.ya=d;a.T=0;a.Q=0;a.g=0;a.L=0;for(e=a.fa=0;4>e&&e<a.ya;++e)a.T|=a.qa[a.Ia+a.Q]<<8*e,++a.Q}function Sb(a){for(;8<=a.g&&a.Q<a.ya;)a.T>>>=8,a.T+=a.qa[a.Ia+a.Q]<<24>>>0,++a.Q,a.g-=8}function Da(a){8<=a.g&&Sb(a);a.Q==a.ya&&32==a.g&&(a.L=1)}function T(a,b){var c=0;$(0<=b);if(!a.L&&b<gf){if(a.Q==a.ya&&32<=a.g+b&&(a.L=1,32<a.g+b))return c;c=a.T>>a.g&hf[b];a.g+=b;8<=a.g&&8<=a.g&&Sb(a)}else a.fa=1;return c}
function ma(a){return a.Pa==a.gb}function nd(a,b){$(a!=p);if(0==b)return 0;a.gb=2*b-1;a.Y=ld(a.gb,jf);if(a.Y==p)return 0;a.Y[0].s=-1;return a.Pa=1}function ja(a){a!=p&&(a.Y=p,a.Y=p,a.gb=0,a.Pa=0)}function jc(a,b,c,d){for(var e=a.Y,g=0,k=+a.gb;0<d--;){if(g>=k)return 0;if(0>e[g].s){if(ma(a))return 0;var h=a,n=h.Y,l=+h.Pa;e[g].s=l-g;h.Pa+=2;n[l+0].s=-1;n[l+1].s=-1}else if(0==e[g].s)return 0;g+=e[g].s+(c>>d&1)}if(0>e[g].s)e[g].s=0;else if(0!=e[g].s)return 0;e[g].kc=b;return 1}function od(a,b,c){var d=
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e&&ma(a))||ja(a),e;(e=ma(a))||ja(a);return e}function Ea(a,b,c,d,e,g,k){for(var h=s,h=0;h<k;++h)e[g+h]=a[b+h]+c[d+h]&255}function qd(a,b,c){var d=a.P.l;if(!(c=0>b||0>c||b+c>a.P.v))if(c=0==b){a:{var e=a.Ga,g=a.G,k=a.ub;c=a.P.l;var h=a.P.v,n=a.Xb,l=[p],m=p,f=h*c,q=p,r=p,r="WEBP_FILTER_TYPE",u=s,l=s,v=0,C=s;$(0<c&&0<h&&d>=c);$(e!=p&&n!=p);if(k<=Ub)c=0;else if(C=e[g+0]>>0&3,r=e[g+0]>>2&3,u=e[g+0]>>4&3,l=e[g+0]>>6&3,C<kc||C>kf||r>=lf||u>rd||0!=l)c=0;else{if(C==kc)v=k>=f,l=e,m=g+Ub;else{l=U(f,0);m=0;if(l==
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0>=c.Aa)return ta;a=c.Ba;b=c.Aa}}d.width=a;d.height=b;return of(d)}function mb(a){return!(a&-256)?a:0>a?0:255}function Ad(a,b,c,d){var e=U(16,0),g;g=0;var k;for(k=0;4>k;++k){var h=a[b+0]+a[b+8],n=a[b+0]-a[b+8],l=(a[b+4]*Wb>>16)-(a[b+12]*Xb>>16),m=(a[b+4]*Xb>>16)+(a[b+12]*Wb>>16);e[g+0]=h+m;e[g+1]=n+l;e[g+2]=n-l;e[g+3]=h-m;g+=4;b++}for(k=g=0;4>k;++k)a=e[g+0]+4,h=a+e[g+8],n=a-e[g+8],l=(e[g+4]*Wb>>16)-(e[g+12]*Xb>>16),m=(e[g+4]*Xb>>16)+(e[g+12]*Wb>>16),c[d+0+0*f]=mb(c[d+0+0*f]+(h+m>>3)),c[d+1+0*f]=mb(c[d+
1+0*f]+(n+l>>3)),c[d+2+0*f]=mb(c[d+2+0*f]+(n-l>>3)),c[d+3+0*f]=mb(c[d+3+0*f]+(h-m>>3)),g++,d+=f}function pf(a,b,c,d,e){Ad(a,b,c,d);e&&Ad(a,b+16,c,d+4)}function qf(a,b,c,d){mc(a,b+0,c,d+0,1);mc(a,b+32,c,d+4*f,1)}function nc(a,b,c,d){a=a[b+0]+4;var e;for(e=0;4>e;++e)for(b=0;4>b;++b)c[d+b+e*f]=mb(c[d+b+e*f]+(a>>3))}function rf(a,b,c,d){a[b+0]&&nc(a,b+0,c,d+0);a[b+16]&&nc(a,b+16,c,d+4);a[b+32]&&nc(a,b+32,c,d+4*f);a[b+48]&&nc(a,b+48,c,d+4*f+4)}function Dc(a,b,c){var d=b-f,e=oa,g=255-a[d-1],k;for(k=0;k<
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b,c,d,e){var g=a[b-3*c],k=a[b-2*c],h=a[b-c],n=a[b+0],l=a[b+c],m=a[b+2*c],f=a[b+3*c];return 2*va[255+h-n]+tc[255+k-l]>d?0:va[255+a[b-4*c]-g]<=e&&va[255+g-k]<=e&&va[255+k-h]<=e&&va[255+f-m]<=e&&va[255+m-l]<=e&&va[255+l-n]<=e}function Dd(a,b,c,d){var e;for(e=0;16>e;++e)2*va[255+a[b+e-c]-a[b+e+0]]+tc[255+a[b+e-2*c]-a[b+e+c]]<=d&&nb(a,b+e,c)}function Ed(a,b,c,d){var e;for(e=0;16>e;++e)2*va[255+a[b+e*c-1]-a[b+e*c+0]]+tc[255+a[b+e*c-2]-a[b+e*c+1]]<=d&&nb(a,b+e*c,1)}function sf(a,b,c,d){var e;for(e=3;0<e;--e)b+=
4*c,Dd(a,b+0,c,d)}function tf(a,b,c,d){var e;for(e=3;0<e;--e)b+=4,Ed(a,b+0,c,d)}function Fa(a,b,c,d,e,g,k,h){for(;0<e--;){if(Cd(a,b+0,c,g,k))if(Bd(a,b+0,c,h))nb(a,b+0,c);else{var n=a,l=b+0,m=c,f=n[l-2*m],q=n[l-m],r=n[l+0],u=n[l+m],v=n[l+2*m],C=sc[1020+3*(r-q)+sc[1020+f-u]],A=27*C+63>>7,z=18*C+63>>7,C=9*C+63>>7;n[l-3*m]=oa[255+n[l-3*m]+C];n[l-2*m]=oa[255+f+z];n[l-m]=oa[255+q+A];n[l+0]=oa[255+r-A];n[l+m]=oa[255+u-z];n[l+2*m]=oa[255+v-C]}b+=d}}function Ga(a,b,c,d,e,g,k,h){for(;0<e--;){if(Cd(a,b+0,c,
g,k))if(Bd(a,b+0,c,h))nb(a,b+0,c);else{var n=a,l=b+0,m=c,f=n[l-m],q=n[l+0],r=n[l+m],u=3*(q-f),v=oc[112+(u+4>>3)],u=oc[112+(u+3>>3)],C=v+1>>1;n[l-2*m]=oa[255+n[l-2*m]+C];n[l-m]=oa[255+f+u];n[l+0]=oa[255+q-v];n[l+m]=oa[255+r-C]}b+=d}}function uf(a,b,c,d,e,g){Fa(a,b+0,c,1,16,d,e,g)}function vf(a,b,c,d,e,g){Fa(a,b+0,1,c,16,d,e,g)}function wf(a,b,c,d,e,g){var k;for(k=3;0<k;--k)b+=4*c,Ga(a,b+0,c,1,16,d,e,g)}function xf(a,b,c,d,e,g){var k;for(k=3;0<k;--k)b+=4,Ga(a,b+0,1,c,16,d,e,g)}function yf(a,b,c,d,e,
g,k,h){Fa(a,b,e,1,8,g,k,h);Fa(c,d,e,1,8,g,k,h)}function zf(a,b,c,d,e,g,k,h){Fa(a,b,1,e,8,g,k,h);Fa(c,d,1,e,8,g,k,h)}function Af(a,b,c,d,e,g,k,h){Ga(a,b+4*e,e,1,8,g,k,h);Ga(c,d+4*e,e,1,8,g,k,h)}function Bf(a,b,c,d,e,g,k,h){Ga(a,b+4,1,e,8,g,k,h);Ga(c,d+4,1,e,8,g,k,h)}function Fd(a,b){return b==$b?0==a.i?0==a.d?Cf:Df:0==a.d?Ef:$b:b}function Ec(a,b,c,d){for(i=0;4>i;++i)a[b+i]=c[d+i]}function wa(a,b){return 0>a?0:a>b?b:a}function Gd(a){a.a="VP8_STATUS_OK";a.xc="OK"}function td(a){a>>>8!=na>>>8&&alert("mismatch error")}
function Y(a,b,c){a.a==L&&(a.a=b,a.xc=c,a.za=0);alert(b+": "+c);return 0}function Hd(a,b){var c=[0],d=x,e=[Mb],g=M(Id),k=M(Jd),h=M(Fc),e="VP8StatusCode",g=M(Gc);if(a==p)return alert("(dec == null)"),0;Gd(a);if(b==p)return Y(a,"VP8_STATUS_INVALID_PARAM","null VP8Io passed to VP8GetHeaders()");g.data=b.data;g.b=b.b;g.e=b.e;g.b=[g.b];g.e=[g.e];g=[g];e=Kd(g);if(e!=L)return Y(a,e,"Incorrect/incomplete header.");g=g[0];g.b=g.b[0];g.e=g.e[0];if(g.ia)return Y(a,W,"Unexpected lossless format encountered.");
a.Ga==p&&($(0==a.ub),a.Ga=g.$,a.G=g.G,a.ub=g.pa);d=g.data;c=g.b+g.offset;e=g.e-g.offset;$(g.e>=g.offset);if(4>e[0])return Y(a,Z,"Truncated header.");h=d[c+0]|d[c+1]<<8|d[c+2]<<16;g=a.Ac;g.fb=!(h&1)+0;g.Jc=h>>1&7;g.Nc=h>>4&1;g.Ra=h>>5;if(3<g.Jc)return Y(a,"VP8_STATUS_BITSTREAM_ERROR","Incorrect keyframe parameters.");if(!g.Nc)return Y(a,"VP8_STATUS_UNSUPPORTED_FEATURE","Frame not displayable.");c+=3;e-=3;k=a.P;if(g.fb){if(7>e)return Y(a,"VP8_STATUS_NOT_ENOUGH_DATA","cannot parse picture header");if(!(3<=
e&&157==d[c+0]&&1==d[c+1]&&42==d[c+2]))return Y(a,"VP8_STATUS_BITSTREAM_ERROR","Bad code word");k.l=(d[c+4]<<8|d[c+3])&16383;k.gd=d[c+4]>>6;k.v=(d[c+6]<<8|d[c+5])&16383;k.hd=d[c+6]>>6;c+=7;e-=7;a.Ma=k.l+15>>4;a.hb=k.v+15>>4;b.width=k.l;b.height=k.v;b.I=0;b.Ua=0;b.k=0;b.t=0;b.Ka=b.width;b.K=b.height;b.m=b.width;b.h=b.height;h=a.R;for(i=0;i<h.Ta.length;++i)h.Ta[i]=255;h.z=M(Ff);h=a.Ca;$(h!=p);h.pb=0;h.ob=0;h.tb=1;for(i=0;i<h.Kb.length;++i)h.Kb[i]=0;for(i=0;i<h.Cb.length;++i)h.Cb[i]=0;a.Lb=0}if(g.Ra>
e)return Y(a,"VP8_STATUS_NOT_ENOUGH_DATA","bad partition length");h=a.o;D(h,d,c,c+g.Ra);c+=g.Ra;e-=g.Ra;g.fb&&(k.uc=G(h),k.$c=G(h));var k=h,n=a.Ca,l=a.R;$(k!=p);$(n!=p);n.pb=G(k);if(n.pb){n.ob=G(k);if(G(k)){var m;n.tb=G(k);for(m=0;m<xa;++m)n.Kb[m]=G(k)?ga(k,7):0;for(m=0;m<xa;++m)n.Cb[m]=G(k)?ga(k,6):0}if(n.ob)for(m=0;m<Ld;++m)l.Ta[m]=G(k)?S(k,8):255}else n.ob=0;if(k.Ab)return Y(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse segment header");k=h;n=a.ga;n.Oc=G(k);n.Fb=S(k,6);n.kb=S(k,3);n.oc=G(k);if(n.oc&&
G(k)){for(l=0;l<Hc;++l)G(k)&&(n.Lc[l]=ga(k,6));for(l=0;l<Gf;++l)G(k)&&(n.Gc[l]=ga(k,6))}a.A=0==n.Fb?0:n.Oc?1:2;if(0<a.A)if(a.Ca.pb)for(l=0;l<xa;++l)m=a.Ca.Cb[l],a.Ca.tb||(m+=n.Fb),a.Zb[l]=m;else a.Zb[0]=n.Fb;if(k.Ab)return Y(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse filter header");var k=d,f=c,n=f,e=f+e;m=0;var q=s,r=s;a.Hb=1<<S(a.o,2);q=a.Hb-1;l=k;m=f+3*q;if(e<m)e="VP8_STATUS_NOT_ENOUGH_DATA";else{for(r=0;r<q;++r){var f=l,u=m+(k[n+0]|k[n+1]<<8|k[n+2]<<16);u>e&&(f=k);D(a.ic[+r],l,m,u);l=f;m=u;
n+=3}D(a.ic[+q],l,m,e);e=m<e?"VP8_STATUS_OK":"VP8_STATUS_SUSPENDED"}if("VP8_STATUS_OK"!=e)return Y(a,"VP8_STATUS_BITSTREAM_ERROR","cannot parse partitions");q=a.o;e=S(q,7);k=G(q)?ga(q,4):0;n=G(q)?ga(q,4):0;l=G(q)?ga(q,4):0;m=G(q)?ga(q,4):0;q=G(q)?ga(q,4):0;r=a.Ca;f=s;for(f=0;f<xa;++f){u=s;if(r.pb)u=r.Kb[f],r.tb||(u+=e);else if(0<f){a.yb[f]=a.yb[0];continue}else u=e;var v=a.yb[f];v.sc[0]=Ic[wa(u+k,127)];v.sc[1]=Jc[wa(u+0,127)];v.sb[0]=2*Ic[wa(u+n,127)];v.sb[1]=101581*Jc[wa(u+l,127)]>>16;8>v.sb[1]&&
(v.sb[1]=8);v.qc[0]=Ic[wa(u+m,117)];v.qc[1]=Jc[wa(u+q,127)]}if(g.fb)a.Zc=259;else return Y(a,Hf,"Not a key frame.");G(h);e=a.R;for(k=0;k<Md;++k)for(n=0;n<Nd;++n)for(l=0;l<Kc;++l)for(m=0;m<Lc;++m)w(h,If[k][n][l][m])&&(e.z[k][n][l][m]=S(h,8));a.pc=G(h);a.pc&&(a.Pc=S(h,8));if(a.P.uc){c-=8;h=Mb;if(8>g.Ra||1!=d[c+8-1])return Y(a,W,"RIFF: Inconsistent extra information.");h=d[c+0]<<0|d[c+1]<<8|d[c+2]<<16;a.fc=h;a.dd=p;a.cd=d[c+3]}return a.za=1}function Mc(a,b,c,d,e,g){var k=b[e][c];if(!w(a,k[0]))return 0;
for(;;){++e;if(w(a,k[1])){var h;if(w(a,k[2])){if(w(a,k[3]))if(w(a,k[6])){h=x;c=w(a,k[8]);k=w(a,k[9+c]);k=2*c+k;c=0;h=Jf[k];var n;for(n=0;n<h.length-1;++n)c+=c+w(a,h[n]);c+=3+(8<<k)}else w(a,k[7])?(c=7+2*w(a,165),c+=w(a,145)):c=5+w(a,159);else c=w(a,k[4])?3+w(a,k[5]):2;k=b[Nc[e]][2]}else k=b[Nc[e]][1],c=1;h=Kf[e-1];g[g[g.length-1]+h]=(w(a,128)?-c:c)*d[(0<h)+0];if(16==e||!w(a,k[0]))return e}else k=b[Nc[e]][0];if(16==e)return 16}}function ob(a,b){return((16777216*a[0]+65536*a[1]+256*a[2]+1*a[3])*Lf&
4278190080)>>b}function Mf(a,b){var c=0;if(a==p)return 0;if(b==p)return Y(a,"VP8_STATUS_INVALID_PARAM","NULL VP8Io parameter in VP8Decode().");if(!a.za&&!Hd(a,b))return 0;$(a.za);var d;if(b.Mb&&!b.Mb(b))Y(a,Nf,"Frame setup failed"),d=a.a;else{b.Za&&(a.A=0);var e=uc[a.A];2==a.A?(a.lb=0,a.mb=0):(a.lb=b.t-e>>4,a.mb=b.k-e>>4,0>a.lb&&(a.lb=0),0>a.mb&&(a.mb=0));a.Ya=b.K+15+e>>4;a.wb=b.Ka+15+e>>4;a.wb>a.Ma&&(a.wb=a.Ma);a.Ya>a.hb&&(a.Ya=a.hb);d=L}if(c=d==L){if(c){var g;b:{a.Ja=0;if(a.qb){var k=a.rc;if(!WebPWorkerReset(k)){g=
Y(a,cb,"thread initialization failed.");break b}k.Qd=a;k.Rd=a.oa.N;k.Ud=FinishRow;a.jb=0<a.A?Od:Od-1}else a.jb=Of;g=1}var h;if(!(h=!g)){var n;b:{var l=a.jb,m=a.Ma,t=4*m,q=32*m,r=m+1,u=0<a.A?m*(a.qb?2:1):0,v=Pf,C=q*(16*l+parseInt(3*uc[a.A]/2,10)),A=a.Ga!=p?a.P.l*a.P.v:0,z=t+q+r+u+v+384+C+A+Pd;if(z!=z)n=0;else{if(z>a.Gb){a.ib=0;a.Gb=0;if(a.ib==p){n=Y(a,"VP8_STATUS_OUT_OF_MEMORY","no memory during frame initialization.");break b}a.Gb=z}a.dc=205;a.Xc=rc(205,16*m);a.Sc=rc(205,8*m);a.Vc=rc(205,8*m);a.M=
u?ic(Oc,u):p;a.Sd=u?0:p;a.oa.ha=0;a.oa.M=a.M;$(0==(v&Pd));a.Ea=rc(205,1*v);a.z=-12851;a.H=16*m;a.r=8*m;var Ha=uc[a.A],G=Ha*a.H,y=Ha/2*a.r;a.ca=U(C,205);a.da=+G;a.aa=a.ca;a.ba=a.da+16*l*a.H+y;a.ra=a.aa;a.sa=a.ba+8*l*a.r+y;a.Xb=A?U(A,x):p;a.La=ic(Qd,r);a.dc=rc($b,t);n=1}}h=!n}if(h)c=0;else{b.width=a.P.l;b.height=a.P.v;b.w=0;b.y=a.ca;b.D=a.da;b.c=a.aa;b.B=a.ba;b.S=a.ra;b.C=a.sa;b.F=a.H;b.Da=a.r;b.p=p;b.q=p;if(!Rd){var B;for(B=-255;255>=B;++B)va[255+B]=0>B?-B:B,tc[255+B]=va[255+B]>>1;for(B=-1020;1020>=
B;++B)sc[1020+B]=-128>B?-128:127<B?127:B;for(B=-112;112>=B;++B)oc[112+B]=-16>B?-16:15<B?15:B;for(B=-255;510>=B;++B)oa[255+B]=0>B?0:255<B?255:B;Rd=1}mc=pf;Pc=qf;Qc=nc;Rc=rf;Sd=uf;Td=vf;Ud=yf;Vd=zf;Wd=wf;Xd=xf;Yd=Af;Zd=Bf;$d=Dd;ae=Ed;be=sf;ce=tf;c=1}}if(c)a:{for(a.d=0;a.d<a.Ya;++a.d){var Qf=a.ic[a.d&a.Hb-1],db=a,F=db.La[0];F.X=0;F.ua=0;jd(db.cc,0,$b,db.cc.length);db.W=(0<db.A&&db.d>=db.mb&&db.d<=db.Ya)+0;for(a.i=0;a.i<a.Ma;a.i++){var D;var H=a,T=Qf,ya=H.o,S=H.La[0],J=H.La[1+H.i];H.Ca.ob&&(H.Lb=!w(ya,
H.R.Ta[0])?0+w(ya,H.R.Ta[1]):2+w(ya,H.R.Ta[2]));J.Nb=H.pc?w(ya,H.Pc):0;var O=H.dc;O[O.length-1]=0+4*H.i;var Sc=H.cc;H.wa=!w(ya,145);if(H.wa)for(var ga=H.Eb,ja=0,Z=ca,Z=0;4>Z;++Z){var V=Sc[Z],R;for(R=0;4>R;++R){var ta=Rf[O[O[O.length-1]+R]][V],za=0;do za=Sf[2*za+w(ya,ta[za])];while(0<za);V=-za;O[O[O.length-1]+R]=V;ga[ja]=V;ja++}Sc[Z]=V}else{var V=w(ya,156)?w(ya,128)?de:ee:w(ya,163)?fe:ge;H.Eb[0]=V;for(za=0;4>za;++za)O[za+O[O.length-1]]=V;for(za=0;4>za;++za)Sc[za]=V}H.Tc=!w(ya,142)?ge:!w(ya,114)?fe:
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a,b,c,d)};this.Gd=function(a,b,c,d){return lb(Pa,a,b,c,d)};this.WebPDecode=this.Dd=function(a,b,c){var d=M(df),e="VP8StatusCode";if(c==p)return ta;e=hd(a,[0],[b],c.input);if(e!=L)return e==Z?W:e;d.j=c.j;d.Qa=c.Qa;return e=cf(a,0,[b],d)}};
})()

2
app/webogram.appcache

@ -1,6 +1,6 @@
CACHE MANIFEST CACHE MANIFEST
# 59 # 60
NETWORK: NETWORK:
* *

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