ref: 19da8f07905d644693be648b67fa9926c9c60646
parent: ec4c01a93852621d08ed29be5c5c5b9343964a26
parent: 675f1a771edf57accbfaf9c9a369b7053792b22e
author: Matthew Stephure <matt.stephure@calgaryscientific.com>
date: Wed Jan 29 09:01:29 EST 2014
Merge branch 'master' of https://github.com/oneam/h264bsd into pweb-4037-crossbridge CrossBridge specific performance modifcations
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
win/*.sdf
*.user
*.o
+node_modules
--- a/flex/Makefile
+++ b/flex/Makefile
@@ -3,7 +3,7 @@
FLASCC:=X
FLEX:=X
AS3COMPILER:=asc2.jar
-BASE_CFLAGS:=-Wno-write-strings -Wno-trigraphs -DFLASCC -04 --emit-llvm
+BASE_CFLAGS:=-DFLASCC -O4
$?UNAME=$(shell uname -s)
ifneq (,$(findstring CYGWIN,$(UNAME)))
--- /dev/null
+++ b/js/Gruntfile.js
@@ -1,0 +1,31 @@
+module.exports = function(grunt) {+ grunt.initConfig({+
+ uglify: {+ options: {+ mangle: false
+ },
+ minlibs: {+ files: {+ 'dist/h264bsd.min.js': ['h264bsd_asm.js',' sylvester.js', 'glUtils.js', 'util.js', 'canvas.js', 'h264bsd.js']
+ }
+ }
+ },
+
+ //grunt-clean
+ clean: {+ dist: 'dist/',
+ options: {+ force:true
+ }
+ }
+ });
+
+ grunt.loadNpmTasks('grunt-contrib-clean');+ grunt.loadNpmTasks('grunt-contrib-uglify');+ grunt.loadNpmTasks('grunt-contrib-concat');+
+
+ // Default task.
+ grunt.registerTask('default', ['clean', 'uglify']);+};
--- a/js/Rakefile
+++ b/js/Rakefile
@@ -1,6 +1,6 @@
rule '.o' => ['.c'] do |t|
- sh "emcc #{t.source} -O2 -c -o #{t.name}"+ sh "emcc #{t.source} -c -g4 -O0 -D_ASSERT_USED -D_DEBUG_PRINT -D_ERROR_PRINT -o #{t.name}"end
o_files = FileList["../src/*.c"].gsub(/c$/, 'o')
@@ -19,7 +19,7 @@
]
file "h264bsd_asm.js" => o_files do
- sh "emcc #{o_files.join(' ')} -s EXPORTED_FUNCTIONS='[\"#{export_functions.join('", "')}\"]' -O2 -o h264bsd_asm.js"+ sh "emcc #{o_files.join(' ')} -s TOTAL_MEMORY=268435456 -s EXPORTED_FUNCTIONS='[\"#{export_functions.join('", "')}\"]' -g4 -O0 -D_ASSERT_USED -D_DEBUG_PRINT -D_ERROR_PRINT -o h264bsd_asm.js"end
task :clean do
--- /dev/null
+++ b/js/canvas.js
@@ -1,0 +1,552 @@
+/*
+ * This file wraps several WebGL constructs and provides a simple, single texture based WebGLCanvas as well as a
+ * specialized YUVWebGLCanvas that can handle YUV->RGB conversion.
+ */
+
+/**
+ * Represents a WebGL shader script.
+ */
+var Script = (function script() {+ function constructor() {}+
+ constructor.createFromElementId = function(id) {+ var script = document.getElementById(id);
+
+ // Didn't find an element with the specified ID, abort.
+ assert(script , "Could not find shader with ID: " + id);
+
+ // Walk through the source element's children, building the shader source string.
+ var source = "";
+ var currentChild = script .firstChild;
+ while(currentChild) {+ if (currentChild.nodeType == 3) {+ source += currentChild.textContent;
+ }
+ currentChild = currentChild.nextSibling;
+ }
+
+ var res = new constructor();
+ res.type = script.type;
+ res.source = source;
+ return res;
+ };
+
+ constructor.createFromSource = function(type, source) {+ var res = new constructor();
+ res.type = type;
+ res.source = source;
+ return res;
+ }
+ return constructor;
+})();
+
+/**
+ * Represents a WebGL shader object and provides a mechanism to load shaders from HTML
+ * script tags.
+ */
+var Shader = (function shader() {+ function constructor(gl, script) {+
+ // Now figure out what type of shader script we have, based on its MIME type.
+ if (script.type == "x-shader/x-fragment") {+ this.shader = gl.createShader(gl.FRAGMENT_SHADER);
+ } else if (script.type == "x-shader/x-vertex") {+ this.shader = gl.createShader(gl.VERTEX_SHADER);
+ } else {+ error("Unknown shader type: " + script.type);+ return;
+ }
+
+ // Send the source to the shader object.
+ gl.shaderSource(this.shader, script.source);
+
+ // Compile the shader program.
+ gl.compileShader(this.shader);
+
+ // See if it compiled successfully.
+ if (!gl.getShaderParameter(this.shader, gl.COMPILE_STATUS)) {+ error("An error occurred compiling the shaders: " + gl.getShaderInfoLog(this.shader));+ return;
+ }
+ }
+ return constructor;
+})();
+
+var Program = (function () {+ function constructor(gl) {+ this.gl = gl;
+ this.program = this.gl.createProgram();
+ }
+ constructor.prototype = {+ attach: function (shader) {+ this.gl.attachShader(this.program, shader.shader);
+ },
+ link: function () {+ this.gl.linkProgram(this.program);
+ // If creating the shader program failed, alert.
+ assert(this.gl.getProgramParameter(this.program, this.gl.LINK_STATUS),
+ "Unable to initialize the shader program.");
+ },
+ use: function () {+ this.gl.useProgram(this.program);
+ },
+ getAttributeLocation: function(name) {+ return this.gl.getAttribLocation(this.program, name);
+ },
+ setMatrixUniform: function(name, array) {+ var uniform = this.gl.getUniformLocation(this.program, name);
+ this.gl.uniformMatrix4fv(uniform, false, array);
+ }
+ };
+ return constructor;
+})();
+
+/**
+ * Represents a WebGL texture object.
+ */
+var Texture = (function texture() {+ function constructor(gl, size, format) {+ this.gl = gl;
+ this.size = size;
+ this.texture = gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_2D, this.texture);
+ this.format = format ? format : gl.LUMINANCE;
+ gl.texImage2D(gl.TEXTURE_2D, 0, this.format, size.w, size.h, 0, this.format, gl.UNSIGNED_BYTE, null);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+ }
+ var textureIDs = null;
+ constructor.prototype = {+ fill: function(textureData, useTexSubImage2D) {+ var gl = this.gl;
+ assert(textureData.length >= this.size.w * this.size.h,
+ "Texture size mismatch, data:" + textureData.length + ", texture: " + this.size.w * this.size.h);
+ gl.bindTexture(gl.TEXTURE_2D, this.texture);
+ if (useTexSubImage2D) {+ gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, this.size.w , this.size.h, this.format, gl.UNSIGNED_BYTE, textureData);
+ } else {+ // texImage2D seems to be faster, thus keeping it as the default
+ gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.size.w, this.size.h, 0, this.format, gl.UNSIGNED_BYTE, textureData);
+ }
+ },
+ bind: function(n, program, name) {+ var gl = this.gl;
+ if (!textureIDs) {+ textureIDs = [gl.TEXTURE0, gl.TEXTURE1, gl.TEXTURE2];
+ }
+ gl.activeTexture(textureIDs[n]);
+ gl.bindTexture(gl.TEXTURE_2D, this.texture);
+ gl.uniform1i(gl.getUniformLocation(program.program, name), n);
+ }
+ };
+ return constructor;
+})();
+
+/**
+ * Generic WebGL backed canvas that sets up: a quad to paint a texture on, appropriate vertex/fragment shaders,
+ * scene parameters and other things. Specialized versions of this class can be created by overriding several
+ * initialization methods.
+ *
+ * <code>
+ * var canvas = new WebGLCanvas(document.getElementById('canvas'), new Size(512, 512);+ * canvas.texture.fill(data);
+ * canvas.drawScene();
+ * </code>
+ */
+var WebGLCanvas = (function () {+
+ var vertexShaderScript = Script.createFromSource("x-shader/x-vertex", text([+ "attribute vec3 aVertexPosition;",
+ "attribute vec2 aTextureCoord;",
+ "uniform mat4 uMVMatrix;",
+ "uniform mat4 uPMatrix;",
+ "varying highp vec2 vTextureCoord;",
+ "void main(void) {",+ " gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);",
+ " vTextureCoord = aTextureCoord;",
+ "}"
+ ]));
+
+ var fragmentShaderScript = Script.createFromSource("x-shader/x-fragment", text([+ "precision highp float;",
+ "varying highp vec2 vTextureCoord;",
+ "uniform sampler2D texture;",
+ "void main(void) {",+ " gl_FragColor = texture2D(texture, vTextureCoord);",
+ "}"
+ ]));
+
+ function constructor(canvas, size, useFrameBuffer) {+ this.canvas = canvas;
+ this.size = size;
+ this.canvas.width = size.w;
+ this.canvas.height = size.h;
+
+ this.onInitWebGL();
+ this.onInitShaders();
+ initBuffers.call(this);
+ if (useFrameBuffer) {+ initFramebuffer.call(this);
+ }
+ this.onInitTextures();
+ initScene.call(this);
+ }
+
+ /**
+ * Initialize a frame buffer so that we can render off-screen.
+ */
+ function initFramebuffer() {+ var gl = this.gl;
+
+ // Create framebuffer object and texture.
+ this.framebuffer = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+ this.framebufferTexture = new Texture(this.gl, this.size, gl.RGB);
+
+ // Create and allocate renderbuffer for depth data.
+ var renderbuffer = gl.createRenderbuffer();
+ gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, this.size.w, this.size.h);
+
+ // Attach texture and renderbuffer to the framebuffer.
+ gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.framebufferTexture.texture, 0);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, renderbuffer);
+ }
+
+ /**
+ * Initialize vertex and texture coordinate buffers for a plane.
+ */
+ function initBuffers() {+ var tmp;
+ var gl = this.gl;
+
+ // Create vertex position buffer.
+ this.quadVPBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.quadVPBuffer);
+ tmp = [
+ 1.0, 1.0, 0.0,
+ -1.0, 1.0, 0.0,
+ 1.0, -1.0, 0.0,
+ -1.0, -1.0, 0.0];
+
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(tmp), gl.STATIC_DRAW);
+ this.quadVPBuffer.itemSize = 3;
+ this.quadVPBuffer.numItems = 4;
+
+ /*
+ +--------------------+
+ | -1,1 (1) | 1,1 (0)
+ | |
+ | |
+ | |
+ | |
+ | |
+ | -1,-1 (3) | 1,-1 (2)
+ +--------------------+
+ */
+
+ var scaleX = 1.0;
+ var scaleY = 1.0;
+
+ // Create vertex texture coordinate buffer.
+ this.quadVTCBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.quadVTCBuffer);
+ tmp = [
+ scaleX, 0.0,
+ 0.0, 0.0,
+ scaleX, scaleY,
+ 0.0, scaleY,
+ ];
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(tmp), gl.STATIC_DRAW);
+ }
+
+ function mvIdentity() {+ this.mvMatrix = Matrix.I(4);
+ }
+
+ function mvMultiply(m) {+ this.mvMatrix = this.mvMatrix.x(m);
+ }
+
+ function mvTranslate(m) {+ mvMultiply.call(this, Matrix.Translation($V([m[0], m[1], m[2]])).ensure4x4());
+ }
+
+ function setMatrixUniforms() {+ this.program.setMatrixUniform("uPMatrix", new Float32Array(this.perspectiveMatrix.flatten()));+ this.program.setMatrixUniform("uMVMatrix", new Float32Array(this.mvMatrix.flatten()));+ }
+
+ function initScene() {+ var gl = this.gl;
+
+ // Establish the perspective with which we want to view the
+ // scene. Our field of view is 45 degrees, with a width/height
+ // ratio of 640:480, and we only want to see objects between 0.1 units
+ // and 100 units away from the camera.
+
+ this.perspectiveMatrix = makePerspective(45, 1, 0.1, 100.0);
+
+ // Set the drawing position to the "identity" point, which is
+ // the center of the scene.
+ mvIdentity.call(this);
+
+ // Now move the drawing position a bit to where we want to start
+ // drawing the square.
+ mvTranslate.call(this, [0.0, 0.0, -2.4]);
+
+ // Draw the cube by binding the array buffer to the cube's vertices
+ // array, setting attributes, and pushing it to GL.
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.quadVPBuffer);
+ gl.vertexAttribPointer(this.vertexPositionAttribute, 3, gl.FLOAT, false, 0, 0);
+
+ // Set the texture coordinates attribute for the vertices.
+
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.quadVTCBuffer);
+ gl.vertexAttribPointer(this.textureCoordAttribute, 2, gl.FLOAT, false, 0, 0);
+
+ this.onInitSceneTextures();
+
+ setMatrixUniforms.call(this);
+
+ if (this.framebuffer) {+ console.log("Bound Frame Buffer");+ gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+ }
+ }
+
+ constructor.prototype = {+ toString: function() {+ return "WebGLCanvas Size: " + this.size;
+ },
+ checkLastError: function (operation) {+ var err = this.gl.getError();
+ if (err != this.gl.NO_ERROR) {+ var name = this.glNames[err];
+ name = (name !== undefined) ? name + "(" + err + ")":+ ("Unknown WebGL ENUM (0x" + value.toString(16) + ")");+ if (operation) {+ console.log("WebGL Error: %s, %s", operation, name);+ } else {+ console.log("WebGL Error: %s", name);+ }
+ console.trace();
+ }
+ },
+ onInitWebGL: function () {+ try {+ this.gl = this.canvas.getContext("experimental-webgl");+ } catch(e) {}+
+ if (!this.gl) {+ error("Unable to initialize WebGL. Your browser may not support it.");+ }
+ if (this.glNames) {+ return;
+ }
+ this.glNames = {};+ for (var propertyName in this.gl) {+ if (typeof this.gl[propertyName] == 'number') {+ this.glNames[this.gl[propertyName]] = propertyName;
+ }
+ }
+ },
+ onInitShaders: function() {+ this.program = new Program(this.gl);
+ this.program.attach(new Shader(this.gl, vertexShaderScript));
+ this.program.attach(new Shader(this.gl, fragmentShaderScript));
+ this.program.link();
+ this.program.use();
+ this.vertexPositionAttribute = this.program.getAttributeLocation("aVertexPosition");+ this.gl.enableVertexAttribArray(this.vertexPositionAttribute);
+ this.textureCoordAttribute = this.program.getAttributeLocation("aTextureCoord");;+ this.gl.enableVertexAttribArray(this.textureCoordAttribute);
+ },
+ onInitTextures: function () {+ var gl = this.gl;
+ this.texture = new Texture(gl, this.size, gl.RGB);
+ },
+ onInitSceneTextures: function () {+ this.texture.bind(0, this.program, "texture");
+ },
+ drawScene: function() {+ this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4);
+ },
+ readPixels: function(buffer) {+ var gl = this.gl;
+ gl.readPixels(0, 0, this.size.w, this.size.h, gl.RGB, gl.UNSIGNED_BYTE, buffer);
+ }
+ };
+ return constructor;
+})();
+
+var YUVWebGLCanvas = (function () {+ var vertexShaderScript = Script.createFromSource("x-shader/x-vertex", text([+ "attribute vec3 aVertexPosition;",
+ "attribute vec2 aTextureCoord;",
+ "uniform mat4 uMVMatrix;",
+ "uniform mat4 uPMatrix;",
+ "varying highp vec2 vTextureCoord;",
+ "void main(void) {",+ " gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);",
+ " vTextureCoord = aTextureCoord;",
+ "}"
+ ]));
+
+ var fragmentShaderScriptOld = Script.createFromSource("x-shader/x-fragment", text([+ "precision highp float;",
+ "varying highp vec2 vTextureCoord;",
+ "uniform sampler2D YTexture;",
+ "uniform sampler2D UTexture;",
+ "uniform sampler2D VTexture;",
+
+ "void main(void) {",+ " vec3 YUV = vec3",
+ " (",+ " texture2D(YTexture, vTextureCoord).x * 1.1643828125, // premultiply Y",
+ " texture2D(UTexture, vTextureCoord).x,",
+ " texture2D(VTexture, vTextureCoord).x",
+ " );",
+ " gl_FragColor = vec4",
+ " (",+ " YUV.x + 1.59602734375 * YUV.z - 0.87078515625,",
+ " YUV.x - 0.39176171875 * YUV.y - 0.81296875 * YUV.z + 0.52959375,",
+ " YUV.x + 2.017234375 * YUV.y - 1.081390625,",
+ " 1",
+ " );",
+ "}"
+ ]));
+
+ var fragmentShaderScriptSimple = Script.createFromSource("x-shader/x-fragment", text([+ "precision highp float;",
+ "varying highp vec2 vTextureCoord;",
+ "uniform sampler2D YTexture;",
+ "uniform sampler2D UTexture;",
+ "uniform sampler2D VTexture;",
+
+ "void main(void) {",+ " gl_FragColor = texture2D(YTexture, vTextureCoord);",
+ "}"
+ ]));
+
+ var fragmentShaderScript = Script.createFromSource("x-shader/x-fragment", text([+ "precision highp float;",
+ "varying highp vec2 vTextureCoord;",
+ "uniform sampler2D YTexture;",
+ "uniform sampler2D UTexture;",
+ "uniform sampler2D VTexture;",
+ "const mat4 YUV2RGB = mat4",
+ "(",+ " 1.1643828125, 0, 1.59602734375, -.87078515625,",
+ " 1.1643828125, -.39176171875, -.81296875, .52959375,",
+ " 1.1643828125, 2.017234375, 0, -1.081390625,",
+ " 0, 0, 0, 1",
+ ");",
+
+ "void main(void) {",+ " gl_FragColor = vec4( texture2D(YTexture, vTextureCoord).x, texture2D(UTexture, vTextureCoord).x, texture2D(VTexture, vTextureCoord).x, 1) * YUV2RGB;",
+ "}"
+ ]));
+
+
+ function constructor(canvas, size) {+ WebGLCanvas.call(this, canvas, size);
+ }
+
+ constructor.prototype = inherit(WebGLCanvas, {+ onInitShaders: function() {+ this.program = new Program(this.gl);
+ this.program.attach(new Shader(this.gl, vertexShaderScript));
+ this.program.attach(new Shader(this.gl, fragmentShaderScript));
+ this.program.link();
+ this.program.use();
+ this.vertexPositionAttribute = this.program.getAttributeLocation("aVertexPosition");+ this.gl.enableVertexAttribArray(this.vertexPositionAttribute);
+ this.textureCoordAttribute = this.program.getAttributeLocation("aTextureCoord");;+ this.gl.enableVertexAttribArray(this.textureCoordAttribute);
+ },
+ onInitTextures: function () {+ this.YTexture = new Texture(this.gl, this.size);
+ this.UTexture = new Texture(this.gl, this.size.getHalfSize());
+ this.VTexture = new Texture(this.gl, this.size.getHalfSize());
+ },
+ onInitSceneTextures: function () {+ this.YTexture.bind(0, this.program, "YTexture");
+ this.UTexture.bind(1, this.program, "UTexture");
+ this.VTexture.bind(2, this.program, "VTexture");
+ },
+ fillYUVTextures: function(y, u, v) {+ this.YTexture.fill(y);
+ this.UTexture.fill(u);
+ this.VTexture.fill(v);
+ },
+ toString: function() {+ return "YUVCanvas Size: " + this.size;
+ }
+ });
+
+ return constructor;
+})();
+
+
+var FilterWebGLCanvas = (function () {+ var vertexShaderScript = Script.createFromSource("x-shader/x-vertex", text([+ "attribute vec3 aVertexPosition;",
+ "attribute vec2 aTextureCoord;",
+ "uniform mat4 uMVMatrix;",
+ "uniform mat4 uPMatrix;",
+ "varying highp vec2 vTextureCoord;",
+ "void main(void) {",+ " gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);",
+ " vTextureCoord = aTextureCoord;",
+ "}"
+ ]));
+
+ var fragmentShaderScript = Script.createFromSource("x-shader/x-fragment", text([+ "precision highp float;",
+ "varying highp vec2 vTextureCoord;",
+ "uniform sampler2D FTexture;",
+
+ "void main(void) {",+ " gl_FragColor = texture2D(FTexture, vTextureCoord);",
+ "}"
+ ]));
+
+
+ function constructor(canvas, size, useFrameBuffer) {+ WebGLCanvas.call(this, canvas, size, useFrameBuffer);
+ }
+
+ constructor.prototype = inherit(WebGLCanvas, {+ onInitShaders: function() {+ this.program = new Program(this.gl);
+ this.program.attach(new Shader(this.gl, vertexShaderScript));
+ this.program.attach(new Shader(this.gl, fragmentShaderScript));
+ this.program.link();
+ this.program.use();
+ this.vertexPositionAttribute = this.program.getAttributeLocation("aVertexPosition");+ this.gl.enableVertexAttribArray(this.vertexPositionAttribute);
+ this.textureCoordAttribute = this.program.getAttributeLocation("aTextureCoord");+ this.gl.enableVertexAttribArray(this.textureCoordAttribute);
+ },
+ onInitTextures: function () {+ console.log("creatingTextures: size: " + this.size);+ this.FTexture = new Texture(this.gl, this.size, this.gl.RGB);
+ },
+ onInitSceneTextures: function () {+ this.FTexture.bind(0, this.program, "FTexture");
+ },
+ process: function(buffer, output) {+ this.FTexture.fill(buffer);
+ this.drawScene();
+ this.readPixels(output);
+ },
+ toString: function() {+ return "FilterWebGLCanvas Size: " + this.size;
+ }
+ });
+
+ return constructor;
+})();
\ No newline at end of file
--- /dev/null
+++ b/js/dist/h264bsd.min.js
@@ -1,0 +1,11 @@
+function globalEval(x){eval.call(null,x)}function assert(condition,text){condition||abort("Assertion failed: "+text)}function ccall(ident,returnType,argTypes,args){return ccallFunc(getCFunc(ident),returnType,argTypes,args)}function getCFunc(ident){try{var func=Module["_"+ident];func||(func=eval("_"+ident))}catch(e){}return assert(func,"Cannot call unknown function "+ident+" (perhaps LLVM optimizations or closure removed it?)"),func}function ccallFunc(func,returnType,argTypes,args){function toC(value,type){if("string"==type){if(null===value||void 0===value||0===value)return 0;value=intArrayFromString(value),type="array"}if("array"==type){stack||(stack=Runtime.stackSave());var ret=Runtime.stackAlloc(value.length);return writeArrayToMemory(value,ret),ret}return value}function fromC(value,type){return"string"==type?Pointer_stringify(value):(assert("array"!=type),value)}var stack=0,i=0,cArgs=args?args.map(function(arg){return toC(arg,argTypes[i++])}):[],ret=fromC(func.apply(null,cArgs),returnType);return stack&&Runtime.stackRestore(stack),ret}function cwrap(ident,returnType,argTypes){var func=getCFunc(ident);return function(){return ccallFunc(func,returnType,argTypes,Array.prototype.slice.call(arguments))}}function setValue(ptr,value,type){switch(type=type||"i8","*"===type.charAt(type.length-1)&&(type="i32"),type){case"i1":HEAP8[ptr]=value;break;case"i8":HEAP8[ptr]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=1?tempDouble>0?(0|Math_min(+Math_floor(tempDouble/4294967296),4294967295))>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}function getValue(ptr,type){switch(type=type||"i8","*"===type.charAt(type.length-1)&&(type="i32"),type){case"i1":return HEAP8[ptr];case"i8":return HEAP8[ptr];case"i16":return HEAP16[ptr>>1];case"i32":return HEAP32[ptr>>2];case"i64":return HEAP32[ptr>>2];case"float":return HEAPF32[ptr>>2];case"double":return HEAPF64[ptr>>3];default:abort("invalid type for setValue: "+type)}return null}function allocate(slab,types,allocator,ptr){var zeroinit,size;"number"==typeof slab?(zeroinit=!0,size=slab):(zeroinit=!1,size=slab.length);var ret,singleType="string"==typeof types?types:null;if(ret=allocator==ALLOC_NONE?ptr:[_malloc,Runtime.stackAlloc,Runtime.staticAlloc,Runtime.dynamicAlloc][void 0===allocator?ALLOC_STATIC:allocator](Math.max(size,singleType?1:types.length)),zeroinit){var stop,ptr=ret;for(assert(0==(3&ret)),stop=ret+(-4&size);stop>ptr;ptr+=4)HEAP32[ptr>>2]=0;for(stop=ret+size;stop>ptr;)HEAP8[0|ptr++]=0;return ret}if("i8"===singleType)return slab.subarray||slab.slice?HEAPU8.set(slab,ret):HEAPU8.set(new Uint8Array(slab),ret),ret;for(var type,typeSize,previousType,i=0;size>i;){var curr=slab[i];"function"==typeof curr&&(curr=Runtime.getFunctionIndex(curr)),type=singleType||types[i],0!==type?("i64"==type&&(type="i32"),setValue(ret+i,curr,type),previousType!==type&&(typeSize=Runtime.getNativeTypeSize(type),previousType=type),i+=typeSize):i++}return ret}function Pointer_stringify(ptr,length){for(var t,hasUtf=!1,i=0;;){if(t=HEAPU8[ptr+i|0],t>=128)hasUtf=!0;else if(0==t&&!length)break;if(i++,length&&i==length)break}length||(length=i);var ret="";if(!hasUtf){for(var curr,MAX_CHUNK=1024;length>0;)curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK))),ret=ret?ret+curr:curr,ptr+=MAX_CHUNK,length-=MAX_CHUNK;return ret}var utf8=new Runtime.UTF8Processor;for(i=0;length>i;i++)t=HEAPU8[ptr+i|0],ret+=utf8.processCChar(t);return ret}function UTF16ToString(ptr){for(var i=0,str="";;){var codeUnit=HEAP16[ptr+2*i>>1];if(0==codeUnit)return str;++i,str+=String.fromCharCode(codeUnit)}}function stringToUTF16(str,outPtr){for(var i=0;i<str.length;++i){var codeUnit=str.charCodeAt(i);HEAP16[outPtr+2*i>>1]=codeUnit}HEAP16[outPtr+2*str.length>>1]=0}function UTF32ToString(ptr){for(v\ No newline at end of file
+var tempDoublePtr=Runtime.alignMemory(allocate(12,"i8",ALLOC_STATIC),8);assert(tempDoublePtr%8==0),Module._memset=_memset;var _llvm_memset_p0i8_i32=_memset;Module._memcpy=_memcpy;var _llvm_memcpy_p0i8_p0i8_i32=_memcpy,_llvm_memset_p0i8_i64=_memset,___errno_state=0,ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};Module._strlen=_strlen;var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not availabl\ No newline at end of file
+if(err)throw err===ERRNO_CODES.EISDIR&&(err=ERRNO_CODES.EPERM),new FS.ErrnoError(err);if(!parent.node_ops.unlink)throw new FS.ErrnoError(ERRNO_CODES.EPERM);if(FS.isMountpoint(node))throw new FS.ErrnoError(ERRNO_CODES.EBUSY);parent.node_ops.unlink(parent,name),FS.destroyNode(node)},readlink:function(path){var lookup=FS.lookupPath(path,{follow:!1}),link=lookup.node;if(!link.node_ops.readlink)throw new FS.ErrnoError(ERRNO_CODES.EINVAL);return link.node_ops.readlink(link)},stat:function(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow}),node=lookup.node;if(!node.node_ops.getattr)throw new FS.ErrnoError(ERRNO_CODES.EPERM);return node.node_ops.getattr(node)},lstat:function(path){return FS.stat(path,!0)},chmod:function(path,mode,dontFollow){var node;if("string"==typeof path){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else node=path;if(!node.node_ops.setattr)throw new FS.ErrnoError(ERRNO_CODES.EPERM);node.node_ops.setattr(node,{mode:4095&mode|-4096&node.mode,timestamp:Date.now()})},lchmod:function(path,mode){FS.chmod(path,mode,!0)},fchmod:function(fd,mode){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);FS.chmod(stream.node,mode)},chown:function(path,uid,gid,dontFollow){var node;if("string"==typeof path){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else node=path;if(!node.node_ops.setattr)throw new FS.ErrnoError(ERRNO_CODES.EPERM);node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:function(path,uid,gid){FS.chown(path,uid,gid,!0)},fchown:function(fd,uid,gid){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);FS.chown(stream.node,uid,gid)},truncate:function(path,len){if(0>len)throw new FS.ErrnoError(ERRNO_CODES.EINVAL);var node;if("string"==typeof path){var lookup=FS.lookupPath(path,{follow:!0});node=lookup.node}else node=path;if(!node.node_ops.setattr)throw new FS.ErrnoError(ERRNO_CODES.EPERM);if(FS.isDir(node.mode))throw new FS.ErrnoError(ERRNO_CODES.EISDIR);if(!FS.isFile(node.mode))throw new FS.ErrnoError(ERRNO_CODES.EINVAL);var err=FS.nodePermissions(node,"w");if(err)throw new FS.ErrnoError(err);node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:function(fd,len){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);if(0===(2097155&stream.flags))throw new FS.ErrnoError(ERRNO_CODES.EINVAL);FS.truncate(stream.node,len)},utime:function(path,atime,mtime){var lookup=FS.lookupPath(path,{follow:!0}),node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:function(path,flags,mode,fd_start,fd_end){flags="string"==typeof flags?FS.modeStringToFlags(flags):flags,mode="undefined"==typeof mode?438:mode,mode=64&flags?4095&mode|32768:0;var node;if("object"==typeof path)node=path;else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(131072&flags)});node=lookup.node}catch(e){}}if(64&flags)if(node){if(128&flags)throw new FS.ErrnoError(ERRNO_CODES.EEXIST)}else node=FS.mknod(path,mode,0);if(!node)throw new FS.ErrnoError(ERRNO_CODES.ENOENT);FS.isChrdev(node.mode)&&(flags&=-513);var err=FS.mayOpen(node,flags);if(err)throw new FS.ErrnoError(err);512&flags&&FS.truncate(node,0),flags&=-641;var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:!0,position:0,stream_ops:node.stream_ops,ungotten:[],error:!1},fd_start,fd_end);return stream.stream_ops.open&&stream.stream_ops.open(stream),!Module.logReadFiles||1&flags||(FS.readFiles||(FS.readFiles={}),path in FS.readFiles||(FS.readFiles[path]=1,Module.printErr("read file: "+path))),stream},close:function(stream){try{stream.stream_ops.close&&stream.stream_ops.close(stream)}catch(e){throw e}finally{FS.closeStream(stream.fd)}},llseek:function(stream,offset,whence){if(!stream.seekable||!stream.stream_ops.llseek)throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);return stream.stream_ops.llseek(stream,offset,whence)},read:function(stream,buffer,offset,length,position){if(0>length||0>position)throw new FS.ErrnoError(ERRNO_CODES.EINVAL);if(1===(2097155&stream.fla\ No newline at end of file
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+break}cl=ci-cj|0,ck=((cl|0)<0?-cl|0:cl)>>>0>3|0}else ck=2;while(0);c[z>>2]=ck,cj=aq+50|0,ci=aq+176|0,bB=b[ci>>1]|0,a4=b[b2>>1]|0,cl=aq+178|0,cm=b[cl>>1]|0,cn=b[b5>>1]|0;do if((b[cj>>1]|0)==0){if((b[b3>>1]|0)!=0){co=2;break}if(cp=bB-a4|0,((cp|0)<0?-cp|0:cp)>>>0>3){co=1;break}cp=cm-cn|0,co=((cp|0)<0?-cp|0:cp)>>>0>3|0}else co=2;while(0);c[y>>2]=co,cn=aq+56|0,cm=aq+188|0,a4=b[cm>>1]|0,bB=b[b6>>1]|0,cp=aq+190|0,cq=b[cp>>1]|0,cr=b[b9>>1]|0;do if((b[cn>>1]|0)==0){if((b[b7>>1]|0)!=0){cs=2;break}if(ct=a4-bB|0,((ct|0)<0?-ct|0:ct)>>>0>3){cs=1;break}ct=cq-cr|0,cs=((ct|0)<0?-ct|0:ct)>>>0>3|0}else cs=2;while(0);c[x>>2]=cs,cr=aq+58|0,cq=aq+192|0,bB=b[cq>>1]|0,a4=b[ca>>1]|0,ct=aq+194|0,cu=b[ct>>1]|0,cv=b[cd>>1]|0;do if((b[cr>>1]|0)==0){if((b[cb>>1]|0)!=0){cw=2;break}if(cx=bB-a4|0,((cx|0)<0?-cx|0:cx)>>>0>3){cw=1;break}cx=cu-cv|0,cw=((cx|0)<0?-cx|0:cx)>>>0>3|0}else cw=2;while(0);c[w>>2]=cw,cv=aq+30|0,cu=b[aS>>1]|0,a4=b[aM>>1]|0,bB=b[ba>>1]|0,cx=b[bV>>1]|0;do if((b[cv>>1]|0)==0){if((b[aq+28>>1]|0)!=0){cy=2;break}if(cz=cu-a4|0,((cz|0)<0?-cz|0:cz)>>>0>3){cy=1;break}cz=bB-cx|0,cy=((cz|0)<0?-cz|0:cz)>>>0>3|0}else cy=2;while(0);c[T>>2]=cy,cx=aq+36|0,bB=b[bG>>1]|0,a4=b[aS>>1]|0,cu=b[a_>>1]|0,bV=b[ba>>1]|0;do if((b[cx>>1]|0)==0){if((b[cv>>1]|0)!=0){cA=2;break}if(aM=bB-a4|0,((aM|0)<0?-aM|0:aM)>>>0>3){cA=1;break}if(aM=cu-bV|0,((aM|0)<0?-aM|0:aM)>>>0>3){cA=1;break}cA=(c[aq+120>>2]|0)!=(c[aq+116>>2]|0)|0}else cA=2;while(0);c[S>>2]=cA,bV=b[a2>>1]|0,cu=b[bG>>1]|0,a4=b[bY>>1]|0,bB=b[a_>>1]|0;do if((b[aq+38>>1]|0)==0){if((b[cx>>1]|0)!=0){cB=2;break}if(cv=bV-cu|0,((cv|0)<0?-cv|0:cv)>>>0>3){cB=1;break}cv=a4-bB|0,cB=((cv|0)<0?-cv|0:cv)>>>0>3|0}else cB=2;while(0);c[R>>2]=cB,bB=b[bU>>1]|0,a4=b[bE>>1]|0,cu=b[aO>>1]|0,bV=b[bT>>1]|0;do if((b[bW>>1]|0)==0){if((b[be>>1]|0)!=0){cC=2;break}if(cx=bB-a4|0,((cx|0)<0?-cx|0:cx)>>>0>3){cC=1;break}cx=cu-bV|0,cC=((cx|0)<0?-cx|0:cx)>>>0>3|0}else cC=2;while(0);c[Q>>2]=cC,bV=b[a0>>1]|0,cu=b[bU>>1]|0,a4=b[aL>>1]|0,bB=b[aO>>1]|0;do if((b[aH>>1]|0)==0){if((b[bW>>1]|0)!=0){cD=2;break}if(be=bV-cu|0,((be|0)<0?-be|0:be)>>>0>3){cD=1;break}if(be=a4-bB|0,((be|0)<0?-be|0:be)>>>0>3){cD=1;break}cD=(c[aq+120>>2]|0)!=(c[aq+116>>2]|0)|0}else cD=2;while(0);c[P>>2]=cD,bB=b[aQ>>1]|0,a4=b[a0>>1]|0,cu=b[a6>>1]|0,bV=b[aL>>1]|0;do if((b[a8>>1]|0)==0){if((b[aH>>1]|0)!=0){cE=2;break}if(bW=bB-a4|0,((bW|0)<0?-bW|0:bW)>>>0>3){cE=1;break}bW=cu-bV|0,cE=((bW|0)<0?-bW|0:bW)>>>0>3|0}else cE=2;while(0);c[O>>2]=cE,bV=b[b2>>1]|0,cu=b[bc>>1]|0,a4=b[b5>>1]|0,bB=b[b1>>1]|0;do if((b[b3>>1]|0)==0){if((b[b$>>1]|0)!=0){cF=2;break}if(aH=bV-cu|0,((aH|0)<0?-aH|0:aH)>>>0>3){cF=1;break}aH=a4-bB|0,cF=((aH|0)<0?-aH|0:aH)>>>0>3|0}else cF=2;while(0);c[N>>2]=cF,bB=b[b6>>1]|0,a4=b[b2>>1]|0,cu=b[b9>>1]|0,bV=b[b5>>1]|0;do if((b[b7>>1]|0)==0){if((b[b3>>1]|0)!=0){cG=2;break}if(b$=bB-a4|0,((b$|0)<0?-b$|0:b$)>>>0>3){cG=1;break}if(b$=cu-bV|0,((b$|0)<0?-b$|0:b$)>>>0>3){cG=1;break}cG=(c[aq+128>>2]|0)!=(c[aq+124>>2]|0)|0}else cG=2;while(0);c[M>>2]=cG,bV=b[ca>>1]|0,cu=b[b6>>1]|0,a4=b[cd>>1]|0,bB=b[b9>>1]|0;do if((b[cb>>1]|0)==0){if((b[b7>>1]|0)!=0){cH=2;break}if(b3=bV-cu|0,((b3|0)<0?-b3|0:b3)>>>0>3){cH=1;break}b3=a4-bB|0,cH=((b3|0)<0?-b3|0:b3)>>>0>3|0}else cH=2;while(0);c[L>>2]=cH,bB=b[ci>>1]|0,a4=b[ce>>1]|0,cu=b[cl>>1]|0,bV=b[ch>>1]|0;do if((b[cj>>1]|0)==0){if((b[cf>>1]|0)!=0){cI=2;break}if(b7=bB-a4|0,((b7|0)<0?-b7|0:b7)>>>0>3){cI=1;break}b7=cu-bV|0,cI=((b7|0)<0?-b7|0:b7)>>>0>3|0}else cI=2;while(0);c[K>>2]=cI,bV=b[cm>>1]|0,cu=b[ci>>1]|0,a4=b[cp>>1]|0,bB=b[cl>>1]|0;do if((b[cn>>1]|0)==0){if((b[cj>>1]|0)!=0){cJ=2;break}if(cf=bV-cu|0,((cf|0)<0?-cf|0:cf)>>>0>3){cJ=1;break}if(cf=a4-bB|0,((cf|0)<0?-cf|0:cf)>>>0>3){cJ=1;break}cJ=(c[aq+128>>2]|0)!=(c[aq+124>>2]|0)|0}else cJ=2;while(0);c[J>>2]=cJ,bB=b[cq>>1]|0,a4=b[cm>>1]|0,cu=b[ct>>1]|0,bV=b[cp>>1]|0;do if((b[cr>>1]|0)==0){if((b[cn>>1]|0)!=0){cK=2;break}if(cj=bB-a4|0,((cj|0)<0?-cj|0:cj)>>>0>3){cK=1;break}cj=cu-bV|0,cK=((cj|0)<0?-cj|0:cj)>>>0>3|0}else cK=2;while(0);c[I>>2]=cK;break}aU(aq,e)}while(0);if((aE|0)!=0)break;if((c[H>>2]|0)!=0)break;if((c[G>>2]|0)!=0)break;if((c[F>>2]|0)!=0)break;if((c[E>>2]|0)!=0)break;if((c[D>>2]|0)!=0)break;if((c[C>>2]\ No newline at end of file
+}if((c[a+(s*40|0)+8>>2]|0)<=(j|0)){t=r;break L8}}if(cG(a+(r*40|0)|0,a+(s*40|0)|0,40)|0,s>>>0<g>>>0){p=s,q=14;break L6}r=s}for(;;){if(r=u-g|0,s=c[a+(r*40|0)+20>>2]|0,(s|0)!=0&(s-1|0)>>>0<2){if(s=c[a+(r*40|0)+8>>2]|0,(s|0)>(j|0)){t=u;break L8}if(v=a+(u*40|0)|0,!((s|0)<(j|0))){x=v;break L6}w=v}else w=a+(u*40|0)|0;if(cG(w|0,a+(r*40|0)|0,40)|0,r>>>0<g>>>0){p=r,q=14;break L6}u=r}}while(0);x=a+(t*40|0)|0}while(0);(q|0)==14&&(q=0,x=a+(p*40|0)|0),o=x,c[o>>2]=k,c[o+4>>2]=l,c[x+8>>2]=j,o=x+12|0,r=c[e+4>>2]|0,c[o>>2]=c[e>>2],c[o+4>>2]=r,c[x+20>>2]=n,c[x+24>>2]=m,r=x+28|0,c[r>>2]=c[f>>2],c[r+4>>2]=c[f+4>>2],c[r+8>>2]=c[f+8>>2],h=h+1|0}while(h>>>0<b>>>0)}g>>>=1}while((g|0)!=0);i=d}function bb(a,b){a|=0,b|=0;var d=0,e=0;do if(b>>>0>16)d=0;else{if(e=c[(c[a+4>>2]|0)+(b<<2)>>2]|0,(e|0)==0){d=0;break}if((c[e+20>>2]|0)>>>0<=1){d=0;break}d=c[e>>2]|0}while(0);return d|0}function bc(a){a|=0;var b=0;return b=(c[a>>2]|0)+((c[a+28>>2]|0)*40|0)|0,c[a+8>>2]=b,c[b>>2]|0}function bd(a,b,d,e,f,g){a|=0,b|=0,d|=0,e|=0,f|=0,g|=0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;if(c[a+36>>2]=65535,h=e>>>0>1?e:1,c[a+24>>2]=h,e=a+28|0,i=(g|0)==0?d:h,c[e>>2]=i,c[a+32>>2]=f,c[a+56>>2]=g,c[a+44>>2]=0,c[a+40>>2]=0,c[a+48>>2]=0,g=cD(680)|0,f=g,h=a|0,c[h>>2]=f,(g|0)==0)return j=65535,j|0;cF(g|0,0,680)|0;do if((i|0)==-1)k=0;else{for(g=b*384|0|47,d=0,l=f;;){if(c[l+(d*40|0)+4>>2]=cD(g)|0,m=c[h>>2]|0,n=c[m+(d*40|0)+4>>2]|0,(n|0)==0){j=65535,o=11;break}if(c[m+(d*40|0)>>2]=n+(-n&15),n=d+1|0,p=c[e>>2]|0,n>>>0>=(p+1|0)>>>0){o=7;break}d=n,l=c[h>>2]|0}if((o|0)==11)return j|0;if((o|0)==7){k=(p<<4)+16|0;break}}while(0);return p=cD(68)|0,c[a+4>>2]=p,o=cD(k)|0,c[a+12>>2]=o,(p|0)==0|(o|0)==0?(j=65535,j|0):(cF(p|0,0,68)|0,c[a+20>>2]=0,c[a+16>>2]=0,j=0,j|0)}function be(a,b,d,e,f,g){a|=0,b|=0,d|=0,e|=0,f|=0,g|=0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;h=a|0,i=c[h>>2]|0;do if((i|0)==0)j=0;else{if(k=a+28|0,(c[k>>2]|0)==-1){j=i;break}for(l=0,m=i;;){if(cE(c[m+(l*40|0)+4>>2]|0),c[(c[h>>2]|0)+(l*40|0)+4>>2]=0,n=l+1|0,o=c[h>>2]|0,!(n>>>0<((c[k>>2]|0)+1|0)>>>0)){j=o;break}l=n,m=o}}while(0);return cE(j),c[h>>2]=0,h=a+4|0,cE(c[h>>2]|0),c[h>>2]=0,h=a+12|0,cE(c[h>>2]|0),c[h>>2]=0,bd(a,b,d,e,f,g)|0}function bf(a){a|=0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;b=a|0,d=c[b>>2]|0;do if((d|0)==0)e=0;else{if(f=a+28|0,(c[f>>2]|0)==-1){e=d;break}for(g=0,h=d;;){if(cE(c[h+(g*40|0)+4>>2]|0),c[(c[b>>2]|0)+(g*40|0)+4>>2]=0,i=g+1|0,j=c[b>>2]|0,!(i>>>0<((c[f>>2]|0)+1|0)>>>0)){e=j;break}g=i,h=j}}while(0);cE(e),c[b>>2]=0,b=a+4|0,cE(c[b>>2]|0),c[b>>2]=0,b=a+12|0,cE(c[b>>2]|0),c[b>>2]=0}function bg(a){a|=0;var b=0,d=0,e=0;if(b=a+40|0,(c[b>>2]|0)!=0){d=a|0,e=a+4|0,a=0;do c[(c[e>>2]|0)+(a<<2)>>2]=(c[d>>2]|0)+(a*40|0),a=a+1|0;while(a>>>0<(c[b>>2]|0)>>>0)}}function bh(a,b,d,e){a|=0,b|=0,d|=0,e|=0;var f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;if(f=a+16|0,c[f>>2]=0,c[a+20>>2]=0,(e|0)==0)return g=0,g|0;e=a+48|0,h=c[e>>2]|0,i=(h|0)==(b|0);L4:do if(i)j=37;else{if(k=a+32|0,l=((h+1|0)>>>0)%((c[k>>2]|0)>>>0)|0,(l|0)==(b|0)){j=37;break}m=a+28|0,n=a|0,o=c[(c[n>>2]|0)+((c[m>>2]|0)*40|0)>>2]|0,p=a+40|0,q=a+24|0,r=a+44|0,s=a+56|0,t=a+12|0,u=l;L7:for(;;){if(l=c[p>>2]|0,(l|0)==0)v=0;else for(w=0,x=l;;){if(l=c[n>>2]|0,((c[l+(w*40|0)+20>>2]|0)-1|0)>>>0<2?(y=c[l+(w*40|0)+12>>2]|0,z=y>>>0>u>>>0?y-(c[k>>2]|0)|0:y,c[l+(w*40|0)+8>>2]=z,A=c[p>>2]|0):A=x,l=w+1|0,!(l>>>0<A>>>0)){v=A;break}w=l,x=A}do if(v>>>0>=(c[q>>2]|0)>>>0){if((v|0)==0){g=1,j=51;break L7}for(x=c[n>>2]|0,w=-1,l=0,y=0;;){if(((c[x+(y*40|0)+20>>2]|0)-1|0)>>>0<2?(B=c[x+(y*40|0)+8>>2]|0,C=(B|0)<(l|0)|(w|0)==-1,D=C?B:l,E=C?y:w):(D=l,E=w),C=y+1|0,!(C>>>0<v>>>0))break;w=E,l=D,y=C}if((E|0)<=-1){g=1,j=50;break L7}if(c[x+(E*40|0)+20>>2]=0,c[p>>2]=(c[p>>2]|0)-1,(c[(c[n>>2]|0)+(E*40|0)+24>>2]|0)!=0)break;c[r>>2]=(c[r>>2]|0)-1}while(0);if(y=c[r>>2]|0,l=c[m>>2]|0,y>>>0<l>>>0)F=l;else for(w=l,l=y;;){do if((c[s>>2]|0)==0){for(y=c[n>>2]|0,C=0,B=2147483647,G=0;;){if((c[y+(C*40|0)+24>>2]|0)==0?(H=G,I=B):(J=c[y+(C*40|0)+16>>2]|0,K=(J|0)<(B|0),H=K?y+(C*40|0)|0:G,I=K?J:B),J=C+1|0,J>>>0>w>>>0)brea\ No newline at end of file
+}function bq(b,e,f,g,h,i){b|=0,e|=0,f|=0,g|=0,h|=0,i|=0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,_=0,$=0,aa=0,ab=0,ac=0,ad=0,ae=0,af=0,ag=0,ah=0;j=(i|0)==0,i=0;L1:for(;;){k=bE(i)|0,l=c[k+4>>2]|0,m=bD(b,c[k>>2]|0)|0,k=bI(b,m)|0,(k|0)==0|j?n=k:(o=(bu(c[m>>2]|0)|0)==2,n=o?0:k),k=bF(i)|0,o=c[k+4>>2]|0,p=bD(b,c[k>>2]|0)|0,k=bI(b,p)|0,(k|0)==0|j?q=k:(r=(bu(c[p>>2]|0)|0)==2,q=r?0:k),k=(n|0)!=0,r=(q|0)==0,s=r|k^1,s?t=2:(u=(bu(c[m>>2]|0)|0)==0?d[(l&255)+(m+82)|0]|0:2,v=(bu(c[p>>2]|0)|0)==0?d[(o&255)+(p+82)|0]|0:2,t=u>>>0<v>>>0?u:v),(c[f+12+(i<<2)>>2]|0)==0?(p=c[f+76+(i<<2)>>2]|0,w=(p>>>0>=t>>>0)+p|0):w=t,a[b+82+i|0]=w,p=c[(bG(i)|0)>>2]|0,o=bD(b,p)|0,p=bI(b,o)|0,(p|0)==0|j?x=p:(m=(bu(c[o>>2]|0)|0)==2,x=m?0:p),p=c[(bH(i)|0)>>2]|0,m=bD(b,p)|0,p=bI(b,m)|0,(p|0)==0|j?y=p:(o=(bu(c[m>>2]|0)|0)==2,y=o?0:p),p=c[2640+(i<<2)>>2]|0,o=c[2576+(i<<2)>>2]|0,m=(1285>>>(i>>>0)&1|0)!=0,m?(z=h+o|0,A=h+(o+1)|0,B=h+(o+2)|0,C=h+(o+3)|0):(l=(o<<4)+p|0,z=e+(l-1)|0,A=e+(l+15)|0,B=e+(l+31)|0,C=e+(l+47)|0),l=a[z]|0,D=a[A]|0,E=a[B]|0,F=a[C]|0;do{if((51>>>(i>>>0)&1|0)==0){if(G=o-1|0,H=(G<<4)+p|0,I=a[e+H|0]|0,J=a[e+(H+1)|0]|0,K=a[e+(H+2)|0]|0,L=a[e+(H+3)|0]|0,M=a[e+(H+4)|0]|0,N=a[e+(H+5)|0]|0,O=a[e+(H+6)|0]|0,P=a[e+(H+7)|0]|0,m){Q=h+G|0,R=I,S=J,T=K,U=L,V=M,W=N,X=O,Y=P;break}Q=e+(H-1)|0,R=I,S=J,T=K,U=L,V=M,W=N,X=O,Y=P;break}Q=g+p|0,R=a[g+(p+1)|0]|0,S=a[g+(p+2)|0]|0,T=a[g+(p+3)|0]|0,U=a[g+(p+4)|0]|0,V=a[g+(p+5)|0]|0,W=a[g+(p+6)|0]|0,X=a[g+(p+7)|0]|0,Y=a[g+(p+8)|0]|0}while(0);switch(m=a[Q]|0,w|0){case 0:if(r){_=1,$=52;break L1}P=(T&255)<<16|(U&255)<<24|(S&255)<<8|R&255,aa=P,ab=P,ac=P,ad=P;break;case 1:if(!k){_=1,$=53;break L1}aa=Z(l&255,16843009)|0,ab=Z(D&255,16843009)|0,ac=Z(E&255,16843009)|0,ad=Z(F&255,16843009)|0;break;case 2:do if(s){if(k){ae=((l&255)+2+(D&255)+(E&255)+(F&255)|0)>>>2&255;break}if(r){ae=-128;break}ae=((U&255)+2+(T&255)+(S&255)+(R&255)|0)>>>2&255}else ae=((l&255)+4+(D&255)+(E&255)+(F&255)+(U&255)+(T&255)+(S&255)+(R&255)|0)>>>3&255;while(0);P=Z(ae&255,16843009)|0,aa=P,ab=P,ac=P,ad=P;break;case 3:if(r){_=1,$=54;break L1}P=(x|0)==0,O=S&255,N=T&255,M=N+2|0,L=U&255,K=L+2|0,J=(K+O+(N<<1)|0)>>>2&255,N=(P?U:V)&255,I=(M+(L<<1)+N|0)>>>2&255,L=(P?U:W)&255,H=(K+L+(N<<1)|0)>>>2,K=H&255,G=(P?U:X)&255,af=(N+2+G+(L<<1)|0)>>>2,N=af&255,ag=(P?U:Y)&255,P=(L+2+ag+(G<<1)|0)>>>2,aa=J<<8|H<<24|(M+(R&255)+(O<<1)|0)>>>2&255|I<<16,ab=K<<16|J|af<<24|I<<8,ac=I|K<<8|P<<24|N<<16,ad=(G+2+(ag*3|0)|0)>>>2<<24|K|N<<8|P<<16&16711680;break;case 4:if(s|(y|0)==0){_=1,$=55;break L1}P=R&255,N=m&255,K=l&255,ag=P+2|0,G=(ag+K+(N<<1)|0)>>>2,I=G&255,af=S&255,J=N+2|0,N=((P<<1)+af+J|0)>>>2,P=N&255,O=T&255,M=((af<<1)+O+ag|0)>>>2,ag=D&255,H=(ag+(K<<1)+J|0)>>>2&255,J=E&255,L=(K+2+(ag<<1)+J|0)>>>2&255,aa=M<<16&16711680|((U&255)+2+af+(O<<1)|0)>>>2<<24|I|P<<8,ab=H|M<<24|P<<16|I<<8,ac=N<<24|L|I<<16|H<<8,ad=(ag+2+(J<<1)+(F&255)|0)>>>2&255|L<<8|G<<24|H<<16;break;case 5:if(s|(y|0)==0){_=1,$=56;break L1}H=m&255,G=R&255,L=(G+1+H|0)>>>1&255,J=S&255,ag=(J+2+(G<<1)+H|0)>>>2&255,I=l&255,N=G+2|0,P=(N+I+(H<<1)|0)>>>2&255,M=(J+1+G|0)>>>1&255,G=T&255,O=((J<<1)+G+N|0)>>>2,N=(G+1+J|0)>>>1,af=U&255,K=D&255,aa=N<<16&16711680|(af+1+G|0)>>>1<<24|M<<8|L,ab=O<<16&16711680|(af+2+J+(G<<1)|0)>>>2<<24|P|ag<<8,ac=M<<16|N<<24|(K+2+(I<<1)+H|0)>>>2&255|L<<8,ad=O<<24|(I+2+(E&255)+(K<<1)|0)>>>2&255|ag<<16|P<<8;break;case 6:if(s|(y|0)==0){_=1,$=57;break L1}P=m&255,ag=l&255,K=ag+1|0,I=(K+P|0)>>>1&255,O=D&255,L=((ag<<1)+2+O+P|0)>>>2,H=(K+O|0)>>>1&255,K=E&255,N=ag+2|0,ag=(N+(O<<1)+K|0)>>>2,M=(O+1+K|0)>>>1&255,G=F&255,J=R&255,af=(N+J+(P<<1)|0)>>>2,N=S&255,aa=I|((T&255)+2+(N<<1)+J|0)>>>2<<24|(N+2+(J<<1)+P|0)>>>2<<16&16711680|af<<8&65280,ab=L<<8&65280|H|I<<16|af<<24,ac=M|H<<16|ag<<8&65280|L<<24,ad=ag<<24|M<<16|(K+1+G|0)>>>1&255|(O+2+(K<<1)+G|0)>>>2<<8&65280;break;case 7:if(r){_=1,$=58;break L1}G=(x|0)==0,K=R&255,O=S&255,M=T&255,ag=(M+1+O|0)>>>1&255,L=U&255,H=L+1|0,af=(H+M|0)>>>1&255,I=(G?U:V)&255,P=(H+I|0)>>>1,H=M+2|0,J=L+2|0,N=(J+O+(M<<1)|0)>>>2&255,M=(H+(L<<1)+I|0)>>>2&255,L=(G?U:W)&255,ah=(J+L+(I<<1)|0\ No newline at end of file
+do if((e|0)<0)n=4;else{if((e+5+j|0)>>>0>g>>>0|(f|0)<0){n=4;break}(k+f|0)>>>0>h>>>0?n=4:(o=b,p=e,q=f,r=g)}while(0);if((n|0)==4&&(n=m,m=j+5|0,bM(b,n,e,f,g,h,m,k,m),o=n,p=0,q=0,r=m),(k|0)==0)return void(i=l);for(m=j>>>2,n=(m|0)==0,h=r-j|0,g=16-j|0,j=m<<2,f=o+(p+5+(Z(q,r)|0))|0,r=k,k=c;;){if(n)s=f,t=k;else{for(c=k+j|0,q=f,p=m,o=d[f-1|0]|0,e=d[f-2|0]|0,b=d[f-3|0]|0,u=d[f-4|0]|0,v=d[f-5|0]|0,w=k;;){if(x=u+o|0,y=d[q]|0,a[w]=a[(v+16-x-(x<<2)+y+((b+e|0)*20|0)>>5)+1808|0]|0,x=y+b|0,z=d[q+1|0]|0,a[w+1|0]=a[(u+16-x-(x<<2)+z+((e+o|0)*20|0)>>5)+1808|0]|0,x=z+e|0,A=d[q+2|0]|0,a[w+2|0]=a[(b+16-x-(x<<2)+A+((y+o|0)*20|0)>>5)+1808|0]|0,x=A+o|0,B=d[q+3|0]|0,a[w+3|0]=a[(e+16-x-(x<<2)+B+((z+y|0)*20|0)>>5)+1808|0]|0,x=p-1|0,(x|0)==0)break;q=q+4|0,p=x,v=o,o=B,e=A,b=z,u=y,w=w+4|0}s=f+j|0,t=c}if(w=r-1|0,(w|0)==0)break;f=s+h|0,r=w,k=t+g|0}i=l}function bS(b,c,e,f,g,h,j,k,l){b|=0,c|=0,e|=0,f|=0,g|=0,h|=0,j|=0,k|=0,l|=0;var m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;m=i,i=i+448|0,n=m|0;do if((e|0)<0)o=4;else{if((e+5+j|0)>>>0>g>>>0|(f|0)<0){o=4;break}(k+f|0)>>>0>h>>>0?o=4:(p=b,q=e,r=f,s=g)}while(0);if((o|0)==4&&(o=n,n=j+5|0,bM(b,o,e,f,g,h,n,k,n),p=o,q=0,r=0,s=n),(k|0)==0)return void(i=m);for(n=j>>>2,o=(n|0)==0,h=s-j|0,g=16-j|0,j=(l|0)!=0,l=n<<2,f=p+(q+5+(Z(r,s)|0))|0,s=k,k=c;;){if(o)t=f,u=k;else{for(c=k+l|0,r=f,q=n,p=k,e=d[f-1|0]|0,b=d[f-2|0]|0,v=d[f-3|0]|0,w=d[f-4|0]|0,x=d[f-5|0]|0;;){if(y=w+e|0,z=d[r]|0,a[p]=((j?b:v)+1+(d[(x+16-y-(y<<2)+z+((v+b|0)*20|0)>>5)+1808|0]|0)|0)>>>1,y=z+v|0,A=d[r+1|0]|0,a[p+1|0]=((j?e:b)+1+(d[(w+16-y-(y<<2)+A+((b+e|0)*20|0)>>5)+1808|0]|0)|0)>>>1,y=A+b|0,B=d[r+2|0]|0,a[p+2|0]=((j?z:e)+1+(d[(v+16-y-(y<<2)+B+((z+e|0)*20|0)>>5)+1808|0]|0)|0)>>>1,y=B+e|0,C=d[r+3|0]|0,a[p+3|0]=((j?A:z)+1+(d[(b+16-y-(y<<2)+C+((A+z|0)*20|0)>>5)+1808|0]|0)|0)>>>1,y=q-1|0,(y|0)==0)break;r=r+4|0,q=y,p=p+4|0,x=e,e=C,b=B,v=A,w=z}t=f+l|0,u=c}if(w=s-1|0,(w|0)==0)break;f=t+h|0,s=w,k=u+g|0}i=m}function bT(b,c,e,f,g,h,j,k,l){b|=0,c|=0,e|=0,f|=0,g|=0,h|=0,j|=0,k|=0,l|=0;var m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0;m=i,i=i+448|0,n=m|0;do if((e|0)<0)o=4;else{if((e+5+j|0)>>>0>g>>>0|(f|0)<0){o=4;break}(f+5+k|0)>>>0>h>>>0?o=4:(p=b,q=e,r=f,s=g)}while(0);if((o|0)==4&&(o=n,n=j+5|0,bM(b,o,e,f,g,h,n,k+5|0,n),p=o,q=0,r=0,s=n),n=(Z(r,s)|0)+q|0,q=(l&1|2)+s+n|0,r=p+q|0,(k|0)==0)return void(i=m);for(o=j>>>2,h=(o|0)==0,g=s-j|0,f=16-j|0,e=o<<2,b=c,c=p+((Z(s,l>>>1&1|2)|0)+5+n)|0,n=k;;){if(h)t=b,u=c;else{for(l=b+e|0,v=b,w=c,x=o,y=d[c-1|0]|0,z=d[c-2|0]|0,A=d[c-3|0]|0,B=d[c-4|0]|0,C=d[c-5|0]|0;;){if(D=B+y|0,E=d[w]|0,a[v]=a[(C+16-D-(D<<2)+E+((A+z|0)*20|0)>>5)+1808|0]|0,D=E+A|0,F=d[w+1|0]|0,a[v+1|0]=a[(B+16-D-(D<<2)+F+((z+y|0)*20|0)>>5)+1808|0]|0,D=F+z|0,G=d[w+2|0]|0,a[v+2|0]=a[(A+16-D-(D<<2)+G+((E+y|0)*20|0)>>5)+1808|0]|0,D=G+y|0,H=d[w+3|0]|0,a[v+3|0]=a[(z+16-D-(D<<2)+H+((F+E|0)*20|0)>>5)+1808|0]|0,D=x-1|0,(D|0)==0)break;v=v+4|0,w=w+4|0,x=D,C=y,y=H,z=G,A=F,B=E}t=l,u=c+e|0}if(B=n-1|0,(B|0)==0)break;b=t+f|0,c=u+g|0,n=B}if(n=k>>>2,(n|0)==0)return void(i=m);for(g=(j|0)==0,u=(s<<2)-j|0,c=64-j|0,b=-s|0,e=b<<1,o=s<<1,h=t+(f-(k<<4))|0,k=r,r=p+(q+(s*5|0))|0,q=n;;){if(g)I=h,J=k,K=r;else{for(n=h+j|0,p=h,f=k,t=r,B=j;;){if(A=d[t+e|0]|0,z=d[t+b|0]|0,y=d[t+s|0]|0,C=d[t]|0,x=y+A|0,w=d[f+o|0]|0,v=p+48|0,a[v]=((d[((d[t+o|0]|0)+16-x-(x<<2)+w+((C+z|0)*20|0)>>5)+1808|0]|0)+1+(d[v]|0)|0)>>>1,v=w+C|0,x=d[f+s|0]|0,E=p+32|0,a[E]=((d[(y+16-v-(v<<2)+x+((z+A|0)*20|0)>>5)+1808|0]|0)+1+(d[E]|0)|0)>>>1,E=d[f]|0,v=x+z|0,y=p+16|0,a[y]=((d[(C+16-v-(v<<2)+E+((w+A|0)*20|0)>>5)+1808|0]|0)+1+(d[y]|0)|0)>>>1,y=E+A|0,a[p]=((d[(z+16-y-(y<<2)+(d[f+b|0]|0)+((x+w|0)*20|0)>>5)+1808|0]|0)+1+(d[p]|0)|0)>>>1,w=B-1|0,(w|0)==0)break;p=p+1|0,f=f+1|0,t=t+1|0,B=w}I=n,J=k+j|0,K=r+j|0}if(B=q-1|0,(B|0)==0)break;h=I+c|0,k=J+u|0,r=K+u|0,q=B}i=m}function bU(b,e,f,g,h,j,k,l){b|=0,e|=0,f|=0,g|=0,h|=0,j|=0,k|=0,l|=0;var m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0;m=i,i=i+1792|0,n=m|0,o=m+448|0;do if((f|0)<0)p=5;else{if((f+5+k|0)>>>0>h>>>0|(g|0)<0){p=5;break}if((g+5+l|0)>>>0>j>>>0){p=5;break}q=b,r=f+5|0,s=g,t=h,\ No newline at end of file
+if((c[(c[m>>2]|0)+(n<<2)>>2]|0)>>>0>k>>>0){g=1;break}n=n+1|0}return g|0}if((l|0)!=2){if((l-3|0)>>>0<3){if(!((c[f+36>>2]|0)>>>0>k>>>0))break;return g=1,g|0}if((l|0)!=6)break;if(!((c[f+40>>2]|0)>>>0<k>>>0))break;return g=1,g|0}for(n=i-1|0,m=f+24|0,o=f+28|0,p=0;;){if(p>>>0>=n>>>0)break L7;if(q=c[(c[m>>2]|0)+(p<<2)>>2]|0,r=c[(c[o>>2]|0)+(p<<2)>>2]|0,!(q>>>0<=r>>>0&r>>>0<k>>>0)){g=1,s=39;break}if(((q>>>0)%(j>>>0)|0)>>>0>((r>>>0)%(j>>>0)|0)>>>0){g=1,s=38;break}p=p+1|0}if((s|0)==38)return g|0;if((s|0)==39)return g|0}while(0);k=a+4|0,f=c[k>>2]|0;do{if((f|0)!=256){if(i=a+3380|0,(c[i>>2]|0)==0){if((f|0)==(b|0))break;if(j=a+8|0,(h|0)==(c[j>>2]|0)){c[k>>2]=b,c[a+12>>2]=c[e>>2];break}if((d|0)==0)return g=1,g|0;c[k>>2]=b,s=c[e>>2]|0,c[a+12>>2]=s,p=c[s+4>>2]|0,c[j>>2]=p,j=c[a+20+(p<<2)>>2]|0,c[a+16>>2]=j,p=j+52|0,s=j+56|0,c[a+1176>>2]=Z(c[s>>2]|0,c[p>>2]|0)|0,c[a+1340>>2]=c[p>>2],c[a+1344>>2]=c[s>>2],c[i>>2]=1;break}if(c[i>>2]=0,i=a+1212|0,cE(c[i>>2]|0),c[i>>2]=0,s=a+1172|0,cE(c[s>>2]|0),p=c[a+1176>>2]|0,j=p*216|0,o=cD(j)|0,m=o,c[i>>2]=m,i=cD(p<<2)|0,c[s>>2]=i,(o|0)==0|(i|0)==0)return g=65535,g|0;cF(o|0,0,j|0)|0,j=a+16|0,bC(m,c[(c[j>>2]|0)+52>>2]|0,p),p=c[j>>2]|0;L47:do if((c[a+1216>>2]|0)==0){if((c[p+16>>2]|0)==2){t=1;break}do if((c[p+80>>2]|0)!=0){if(j=c[p+84>>2]|0,(c[j+920>>2]|0)==0)break;if((c[j+944>>2]|0)==0){t=1;break L47}}while(0);t=0}else t=1;while(0);if(l=Z(c[p+56>>2]|0,c[p+52>>2]|0)|0,j=be(a+1220|0,l,c[p+88>>2]|0,c[p+44>>2]|0,c[p+12>>2]|0,t)|0,(j|0)==0)break;return g=j,g|0}c[k>>2]=b,s=c[e>>2]|0,c[a+12>>2]=s,j=c[s+4>>2]|0,c[a+8>>2]=j,s=c[a+20+(j<<2)>>2]|0,c[a+16>>2]=s,j=s+52|0,i=s+56|0,c[a+1176>>2]=Z(c[i>>2]|0,c[j>>2]|0)|0,c[a+1340>>2]=c[j>>2],c[a+1344>>2]=c[i>>2],c[a+3380>>2]=1}while(0);return g=0,g|0}function cf(a){a|=0;var b=0,d=0;if(c[a+1196>>2]=0,c[a+1192>>2]=0,b=a+1176|0,(c[b>>2]|0)!=0){d=a+1212|0,a=0;do c[(c[d>>2]|0)+(a*216|0)+4>>2]=0,c[(c[d>>2]|0)+(a*216|0)+196>>2]=0,a=a+1|0;while(a>>>0<(c[b>>2]|0)>>>0)}}function cg(a){return a|=0,(c[a+1188>>2]|0)==0|0}function ch(a){a|=0;var b=0,d=0,e=0,f=0,g=0;do{if((c[a+1404>>2]|0)==0){if((c[a+1196>>2]|0)!=(c[a+1176>>2]|0))break;return b=1,b|0}if(d=c[a+1176>>2]|0,(d|0)==0)return b=1,b|0;e=c[a+1212>>2]|0,f=0,g=0;do g=((c[e+(f*216|0)+196>>2]|0)!=0)+g|0,f=f+1|0;while(f>>>0<d>>>0);if((g|0)!=(d|0))break;return b=1,b|0}while(0);return b=0,b|0}function ci(a,b){a|=0,b|=0;var d=0;d=c[a+16>>2]|0,b2(c[a+1172>>2]|0,c[a+12>>2]|0,b,c[d+52>>2]|0,c[d+56>>2]|0)}function cj(a,b,d,e){a|=0,b|=0,d|=0,e|=0;var f=0,g=0,h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;if(f=i,i=i+48|0,g=f|0,h=f+8|0,j=f+16|0,k=f+24|0,l=f+32|0,m=f+40|0,c[e>>2]=0,n=b|0,o=c[n>>2]|0,(o-6|0)>>>0<6|(o-13|0)>>>0<6)return c[e>>2]=1,p=0,i=f,p|0;if(!((o|0)==1|(o|0)==5))return p=0,i=f,p|0;if(o=d+1300|0,q=d+1332|0,(c[q>>2]|0)!=0&&(c[e>>2]=1,c[q>>2]=0),q=b4(a,g)|0,(q|0)!=0)return p=q,i=f,p|0;if(q=c[d+148+(c[g>>2]<<2)>>2]|0,(q|0)==0)return p=65520,i=f,p|0;if(g=c[q+4>>2]|0,r=c[d+20+(g<<2)>>2]|0,(r|0)==0)return p=65520,i=f,p|0;s=c[d+8>>2]|0;do if(!((s|0)==32|(g|0)==(s|0))){if((c[n>>2]|0)==5)break;return p=65520,i=f,p|0}while(0);s=c[d+1304>>2]|0,g=c[b+4>>2]|0;do if((s|0)!=(g|0)){if(!((s|0)==0|(g|0)==0))break;c[e>>2]=1}while(0);if(g=o|0,s=(c[n>>2]|0)==5,(c[g>>2]|0)==5?s||(t=17):s&&(t=17),(t|0)==17&&(c[e>>2]=1),t=r+12|0,(b5(a,c[t>>2]|0,h)|0)!=0)return p=1,i=f,p|0;if(s=d+1308|0,u=c[h>>2]|0,(c[s>>2]|0)!=(u|0)&&(c[s>>2]=u,c[e>>2]=1),(c[n>>2]|0)==5){if((b6(a,c[t>>2]|0,5,j)|0)!=0)return p=1,i=f,p|0;do if((c[g>>2]|0)==5){if(t=d+1312|0,u=c[t>>2]|0,s=c[j>>2]|0,(u|0)==(s|0)){v=u,w=t;break}c[e>>2]=1,v=s,w=t}else v=c[j>>2]|0,w=d+1312|0;while(0);c[w>>2]=v}v=c[r+16>>2]|0;do if((v|0)==0){if((b7(a,r,c[n>>2]|0,k)|0)!=0)return p=1,i=f,p|0;if(w=d+1316|0,j=c[k>>2]|0,(c[w>>2]|0)!=(j|0)&&(c[w>>2]=j,c[e>>2]=1),(c[q+8>>2]|0)==0)break;if(j=b8(a,r,c[n>>2]|0,l)|0,(j|0)!=0)return p=j,i=f,p|0;if(j=d+1320|0,w=c[l>>2]|0,(c[j>>2]|0)==(w|0))break;c[j>>2]=w,c[e>>2]=1}else if((v|0)==1){if((c[r+24>>2]|0)!=0)break;if(w=q+8|0,j=m|0,g=b9(a,r,c[n>>2]|0,c[w>>2]|0,j)|0,(g|0)!=0)return p=g,i=f,p|0;if(g=d+1324|0,t=c[j>>2]|0,(c[g>>2]|0)!=(t|0)&&(c[g>>2]=t,c[e>>2]=1),(c[w>>2]\ No newline at end of file
+}while(0);if(m=7464+(aJ<<2)|0,c[ad+28>>2]=aJ,c[ad+20>>2]=0,c[ad+16>>2]=0,Z=c[1791]|0,Q=1<<aJ,(Z&Q|0)==0){c[1791]=Z|Q,c[m>>2]=K,c[ad+24>>2]=m,c[ad+12>>2]=ad,c[ad+8>>2]=ad;break}for(aK=(aJ|0)==31?0:25-(aJ>>>1)|0,Q=_<<aK,Z=c[m>>2]|0;;){if((c[Z+4>>2]&-8|0)==(_|0))break;if(aL=Z+16+(Q>>>31<<2)|0,m=c[aL>>2]|0,(m|0)==0){T=331;break}Q<<=1,Z=m}if((T|0)==331){if(aL>>>0<(c[1794]|0)>>>0)return ao(),0;c[aL>>2]=K,c[ad+24>>2]=Z,c[ad+12>>2]=ad,c[ad+8>>2]=ad;break}if(Q=Z+8|0,_=c[Q>>2]|0,m=c[1794]|0,Z>>>0<m>>>0)return ao(),0;if(_>>>0<m>>>0)return ao(),0;c[_+12>>2]=K,c[Q>>2]=K,c[ad+8>>2]=_,c[ad+12>>2]=Z,c[ad+24>>2]=0;break}S=c[1794]|0,(S|0)==0|ab>>>0<S>>>0&&(c[1794]=ab),c[1902]=ab,c[1903]=aa,c[1905]=0,c[1799]=c[1784],c[1798]=-1,S=0;do Y=S<<1,ac=7200+(Y<<2)|0,c[7200+(Y+3<<2)>>2]=ac,c[7200+(Y+2<<2)>>2]=ac,S=S+1|0;while(S>>>0<32);S=ab+8|0,ae=(S&7|0)==0?0:-S&7,S=aa-40-ae|0,c[1796]=ab+ae,c[1793]=S,c[ab+(ae+4)>>2]=S|1,c[ab+(aa-36)>>2]=40,c[1797]=c[1788]}while(0);if(ad=c[1793]|0,ad>>>0<=o>>>0)break;return _=ad-o|0,c[1793]=_,ad=c[1796]|0,Q=ad,c[1796]=Q+o,c[Q+(o+4)>>2]=_|1,c[ad+4>>2]=o|3,n=ad+8|0,n|0}while(0);return c[(am()|0)>>2]=12,n=0,n|0}function cE(a){a|=0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0;if((a|0)!=0){b=a-8|0,d=b,e=c[1794]|0,b>>>0<e>>>0&&ao(),f=c[a-4>>2]|0,g=f&3,(g|0)==1&&ao(),h=f&-8,i=a+(h-8)|0,j=i;L10:do if((f&1|0)==0){if(k=c[b>>2]|0,(g|0)==0)return;if(l=-8-k|0,m=a+l|0,n=m,o=k+h|0,m>>>0<e>>>0&&ao(),(n|0)==(c[1795]|0)){if(p=a+(h-4)|0,(c[p>>2]&3|0)!=3){q=n,r=o;break}return c[1792]=o,c[p>>2]=c[p>>2]&-2,c[a+(l+4)>>2]=o|1,void(c[i>>2]=o)}if(p=k>>>3,k>>>0<256){k=c[a+(l+8)>>2]|0,s=c[a+(l+12)>>2]|0,t=7200+(p<<1<<2)|0;do if((k|0)!=(t|0)){if(k>>>0<e>>>0&&ao(),(c[k+12>>2]|0)==(n|0))break;ao()}while(0);if((s|0)==(k|0)){c[1790]=c[1790]&~(1<<p),q=n,r=o;break}do if((s|0)==(t|0))u=s+8|0;else{if(s>>>0<e>>>0&&ao(),v=s+8|0,(c[v>>2]|0)==(n|0)){u=v;break}ao()}while(0);c[k+12>>2]=s,c[u>>2]=k,q=n,r=o;break}t=m,p=c[a+(l+24)>>2]|0,v=c[a+(l+12)>>2]|0;do if((v|0)==(t|0)){if(w=a+(l+20)|0,x=c[w>>2]|0,(x|0)==0){if(y=a+(l+16)|0,z=c[y>>2]|0,(z|0)==0){A=0;break}B=z,C=y}else B=x,C=w;for(;;)if(w=B+20|0,x=c[w>>2]|0,(x|0)==0){if(w=B+16|0,x=c[w>>2]|0,(x|0)==0)break;B=x,C=w}else B=x,C=w;if(!(C>>>0<e>>>0)){c[C>>2]=0,A=B;break}ao()}else{if(w=c[a+(l+8)>>2]|0,w>>>0<e>>>0&&ao(),x=w+12|0,(c[x>>2]|0)!=(t|0)&&ao(),y=v+8|0,(c[y>>2]|0)==(t|0)){c[x>>2]=v,c[y>>2]=w,A=v;break}ao()}while(0);if((p|0)==0){q=n,r=o;break}v=a+(l+28)|0,m=7464+(c[v>>2]<<2)|0;do{if((t|0)==(c[m>>2]|0)){if(c[m>>2]=A,(A|0)!=0)break;c[1791]=c[1791]&~(1<<c[v>>2]),q=n,r=o;break L10}if(p>>>0<(c[1794]|0)>>>0&&ao(),k=p+16|0,(c[k>>2]|0)==(t|0)?c[k>>2]=A:c[p+20>>2]=A,(A|0)==0){q=n,r=o;break L10}}while(0);A>>>0<(c[1794]|0)>>>0&&ao(),c[A+24>>2]=p,t=c[a+(l+16)>>2]|0;do if((t|0)!=0){if(!(t>>>0<(c[1794]|0)>>>0)){c[A+16>>2]=t,c[t+24>>2]=A;break}ao()}while(0);if(t=c[a+(l+20)>>2]|0,(t|0)==0){q=n,r=o;break}if(!(t>>>0<(c[1794]|0)>>>0)){c[A+20>>2]=t,c[t+24>>2]=A,q=n,r=o;break}ao()}else q=d,r=h;while(0);d=q,d>>>0>=i>>>0&&ao(),A=a+(h-4)|0,e=c[A>>2]|0,(e&1|0)==0&&ao();do{if((e&2|0)==0){if((j|0)==(c[1796]|0)){if(B=(c[1793]|0)+r|0,c[1793]=B,c[1796]=q,c[q+4>>2]=B|1,(q|0)!=(c[1795]|0))return;return c[1795]=0,void(c[1792]=0)}if((j|0)==(c[1795]|0))return B=(c[1792]|0)+r|0,c[1792]=B,c[1795]=q,c[q+4>>2]=B|1,void(c[d+B>>2]=B);B=(e&-8)+r|0,C=e>>>3;L112:do if(e>>>0<256){u=c[a+h>>2]|0,g=c[a+(h|4)>>2]|0,b=7200+(C<<1<<2)|0;do if((u|0)!=(b|0)){if(u>>>0<(c[1794]|0)>>>0&&ao(),(c[u+12>>2]|0)==(j|0))break;ao()}while(0);if((g|0)==(u|0)){c[1790]=c[1790]&~(1<<C);break}do if((g|0)==(b|0))D=g+8|0;else{if(g>>>0<(c[1794]|0)>>>0&&ao(),f=g+8|0,(c[f>>2]|0)==(j|0)){D=f;break}ao()}while(0);c[u+12>>2]=g,c[D>>2]=u}else{b=i,f=c[a+(h+16)>>2]|0,t=c[a+(h|4)>>2]|0;do if((t|0)==(b|0)){if(p=a+(h+12)|0,v=c[p>>2]|0,(v|0)==0){if(m=a+(h+8)|0,k=c[m>>2]|0,(k|0)==0){E=0;break}F=k,G=m}else F=v,G=p;for(;;)if(p=F+20|0,v=c[p>>2]|0,(v|0)==0){if(p=F+16|0,v=c[p>>2]|0,(v|0)==0)break;F=v,G=p}else F=v,G=p;if(!(G>>>0<(c[1794]|0)>>>0)){c[G>>2]=0,E=F;break}ao()}else{if(p=c[a+h\ No newline at end of file
+var scaleX=1,scaleY=1;this.quadVTCBuffer=gl.createBuffer(),gl.bindBuffer(gl.ARRAY_BUFFER,this.quadVTCBuffer),tmp=[scaleX,0,0,0,scaleX,scaleY,0,scaleY],gl.bufferData(gl.ARRAY_BUFFER,new Float32Array(tmp),gl.STATIC_DRAW)}function mvIdentity(){this.mvMatrix=Matrix.I(4)}function mvMultiply(m){this.mvMatrix=this.mvMatrix.x(m)}function mvTranslate(m){mvMultiply.call(this,Matrix.Translation($V([m[0],m[1],m[2]])).ensure4x4())}function setMatrixUniforms(){this.program.setMatrixUniform("uPMatrix",new Float32Array(this.perspectiveMatrix.flatten())),this.program.setMatrixUniform("uMVMatrix",new Float32Array(this.mvMatrix.flatten()))}function initScene(){var gl=this.gl;this.perspectiveMatrix=makePerspective(45,1,.1,100),mvIdentity.call(this),mvTranslate.call(this,[0,0,-2.4]),gl.bindBuffer(gl.ARRAY_BUFFER,this.quadVPBuffer),gl.vertexAttribPointer(this.vertexPositionAttribute,3,gl.FLOAT,!1,0,0),gl.bindBuffer(gl.ARRAY_BUFFER,this.quadVTCBuffer),gl.vertexAttribPointer(this.textureCoordAttribute,2,gl.FLOAT,!1,0,0),this.onInitSceneTextures(),setMatrixUniforms.call(this),this.framebuffer&&(console.log("Bound Frame Buffer"),gl.bindFramebuffer(gl.FRAMEBUFFER,this.framebuffer))}var vertexShaderScript=Script.createFromSource("x-shader/x-vertex",text(["attribute vec3 aVertexPosition;","attribute vec2 aTextureCoord;","uniform mat4 uMVMatrix;","uniform mat4 uPMatrix;","varying highp vec2 vTextureCoord;","void main(void) {"," gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);"," vTextureCoord = aTextureCoord;","}"])),fragmentShaderScript=Script.createFromSource("x-shader/x-fragment",text(["precision highp float;","varying highp vec2 vTextureCoord;","uniform sampler2D texture;","void main(void) {"," gl_FragColor = texture2D(texture, vTextureCoord);","}"]));return constructor.prototype={toString:function(){return"WebGLCanvas Size: "+this.size},checkLastError:function(operation){var err=this.gl.getError();if(err!=this.gl.NO_ERROR){var name=this.glNames[err];name=void 0!==name?name+"("+err+")":"Unknown WebGL ENUM (0x"+value.toString(16)+")",operation?console.log("WebGL Error: %s, %s",operation,name):console.log("WebGL Error: %s",name),console.trace()}},onInitWebGL:function(){try{this.gl=this.canvas.getContext("experimental-webgl")}catch(e){}if(this.gl||error("Unable to initialize WebGL. Your browser may not support it."),!this.glNames){this.glNames={};for(var propertyName in this.gl)"number"==typeof this.gl[propertyName]&&(this.glNames[this.gl[propertyName]]=propertyName)}},onInitShaders:function(){this.program=new Program(this.gl),this.program.attach(new Shader(this.gl,vertexShaderScript)),this.program.attach(new Shader(this.gl,fragmentShaderScript)),this.program.link(),this.program.use(),this.vertexPositionAttribute=this.program.getAttributeLocation("aVertexPosition"),this.gl.enableVertexAttribArray(this.vertexPositionAttribute),this.textureCoordAttribute=this.program.getAttributeLocation("aTextureCoord"),this.gl.enableVertexAttribArray(this.textureCoordAttribute)},onInitTextures:function(){var gl=this.gl;this.texture=new Texture(gl,this.size,gl.RGB)},onInitSceneTextures:function(){this.texture.bind(0,this.program,"texture")},drawScene:function(){this.gl.drawArrays(this.gl.TRIANGLE_STRIP,0,4)},readPixels:function(buffer){var gl=this.gl;gl.readPixels(0,0,this.size.w,this.size.h,gl.RGB,gl.UNSIGNED_BYTE,buffer)}},constructor}(),YUVWebGLCanvas=function(){function constructor(canvas,size){WebGLCanvas.call(this,canvas,size)}var vertexShaderScript=Script.createFromSource("x-shader/x-vertex",text(["attribute vec3 aVertexPosition;","attribute vec2 aTextureCoord;","uniform mat4 uMVMatrix;","uniform mat4 uPMatrix;","varying highp vec2 vTextureCoord;","void main(void) {"," gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);"," vTextureCoord = aTextureCoord;","}"])),fragmentShaderScript=(Script.createFromSource("x-shader/x-fragment",text(["precision highp float;","varying highp vec2 vTextureCoord;","uniform sampler2D YTexture;","uniform sampler2D UTexture;","uniform sampler2D VTexture;","void main(void) {"," vec3 YUV = vec3"," (\ No newline at end of file
--- /dev/null
+++ b/js/glUtils.js
@@ -1,0 +1,193 @@
+// augment Sylvester some
+Matrix.Translation = function (v)
+{+ if (v.elements.length == 2) {+ var r = Matrix.I(3);
+ r.elements[2][0] = v.elements[0];
+ r.elements[2][1] = v.elements[1];
+ return r;
+ }
+
+ if (v.elements.length == 3) {+ var r = Matrix.I(4);
+ r.elements[0][3] = v.elements[0];
+ r.elements[1][3] = v.elements[1];
+ r.elements[2][3] = v.elements[2];
+ return r;
+ }
+
+ throw "Invalid length for Translation";
+}
+
+Matrix.prototype.flatten = function ()
+{+ var result = [];
+ if (this.elements.length == 0)
+ return [];
+
+
+ for (var j = 0; j < this.elements[0].length; j++)
+ for (var i = 0; i < this.elements.length; i++)
+ result.push(this.elements[i][j]);
+ return result;
+}
+
+Matrix.prototype.ensure4x4 = function()
+{+ if (this.elements.length == 4 &&
+ this.elements[0].length == 4)
+ return this;
+
+ if (this.elements.length > 4 ||
+ this.elements[0].length > 4)
+ return null;
+
+ for (var i = 0; i < this.elements.length; i++) {+ for (var j = this.elements[i].length; j < 4; j++) {+ if (i == j)
+ this.elements[i].push(1);
+ else
+ this.elements[i].push(0);
+ }
+ }
+
+ for (var i = this.elements.length; i < 4; i++) {+ if (i == 0)
+ this.elements.push([1, 0, 0, 0]);
+ else if (i == 1)
+ this.elements.push([0, 1, 0, 0]);
+ else if (i == 2)
+ this.elements.push([0, 0, 1, 0]);
+ else if (i == 3)
+ this.elements.push([0, 0, 0, 1]);
+ }
+
+ return this;
+};
+
+Matrix.prototype.make3x3 = function()
+{+ if (this.elements.length != 4 ||
+ this.elements[0].length != 4)
+ return null;
+
+ return Matrix.create([[this.elements[0][0], this.elements[0][1], this.elements[0][2]],
+ [this.elements[1][0], this.elements[1][1], this.elements[1][2]],
+ [this.elements[2][0], this.elements[2][1], this.elements[2][2]]]);
+};
+
+Vector.prototype.flatten = function ()
+{+ return this.elements;
+};
+
+function mht(m) {+ var s = "";
+ if (m.length == 16) {+ for (var i = 0; i < 4; i++) {+ s += "<span style='font-family: monospace'>[" + m[i*4+0].toFixed(4) + "," + m[i*4+1].toFixed(4) + "," + m[i*4+2].toFixed(4) + "," + m[i*4+3].toFixed(4) + "]</span><br>";
+ }
+ } else if (m.length == 9) {+ for (var i = 0; i < 3; i++) {+ s += "<span style='font-family: monospace'>[" + m[i*3+0].toFixed(4) + "," + m[i*3+1].toFixed(4) + "," + m[i*3+2].toFixed(4) + "]</font><br>";
+ }
+ } else {+ return m.toString();
+ }
+ return s;
+}
+
+//
+// gluLookAt
+//
+function makeLookAt(ex, ey, ez,
+ cx, cy, cz,
+ ux, uy, uz)
+{+ var eye = $V([ex, ey, ez]);
+ var center = $V([cx, cy, cz]);
+ var up = $V([ux, uy, uz]);
+
+ var mag;
+
+ var z = eye.subtract(center).toUnitVector();
+ var x = up.cross(z).toUnitVector();
+ var y = z.cross(x).toUnitVector();
+
+ var m = $M([[x.e(1), x.e(2), x.e(3), 0],
+ [y.e(1), y.e(2), y.e(3), 0],
+ [z.e(1), z.e(2), z.e(3), 0],
+ [0, 0, 0, 1]]);
+
+ var t = $M([[1, 0, 0, -ex],
+ [0, 1, 0, -ey],
+ [0, 0, 1, -ez],
+ [0, 0, 0, 1]]);
+ return m.x(t);
+}
+
+//
+// glOrtho
+//
+function makeOrtho(left, right,
+ bottom, top,
+ znear, zfar)
+{+ var tx = -(right+left)/(right-left);
+ var ty = -(top+bottom)/(top-bottom);
+ var tz = -(zfar+znear)/(zfar-znear);
+
+ return $M([[2/(right-left), 0, 0, tx],
+ [0, 2/(top-bottom), 0, ty],
+ [0, 0, -2/(zfar-znear), tz],
+ [0, 0, 0, 1]]);
+}
+
+//
+// gluPerspective
+//
+function makePerspective(fovy, aspect, znear, zfar)
+{+ var ymax = znear * Math.tan(fovy * Math.PI / 360.0);
+ var ymin = -ymax;
+ var xmin = ymin * aspect;
+ var xmax = ymax * aspect;
+
+ return makeFrustum(xmin, xmax, ymin, ymax, znear, zfar);
+}
+
+//
+// glFrustum
+//
+function makeFrustum(left, right,
+ bottom, top,
+ znear, zfar)
+{+ var X = 2*znear/(right-left);
+ var Y = 2*znear/(top-bottom);
+ var A = (right+left)/(right-left);
+ var B = (top+bottom)/(top-bottom);
+ var C = -(zfar+znear)/(zfar-znear);
+ var D = -2*zfar*znear/(zfar-znear);
+
+ return $M([[X, 0, A, 0],
+ [0, Y, B, 0],
+ [0, 0, C, D],
+ [0, 0, -1, 0]]);
+}
+
+//
+// glOrtho
+//
+function makeOrtho(left, right, bottom, top, znear, zfar)
+{+ var tx = - (right + left) / (right - left);
+ var ty = - (top + bottom) / (top - bottom);
+ var tz = - (zfar + znear) / (zfar - znear);
+
+ return $M([[2 / (right - left), 0, 0, tx],
+ [0, 2 / (top - bottom), 0, ty],
+ [0, 0, -2 / (zfar - znear), tz],
+ [0, 0, 0, 1]]);
+}
+
--- a/js/h264bsd.js
+++ b/js/h264bsd.js
@@ -22,130 +22,345 @@
/*
* This class wraps the details of the h264bsd library.
+ * Module object is an Emscripten module provided globally by h264bsd_asm.js
+ * targetElement element is an HTML element that will emit events that should
+ * be listened for when H264 images are ready to be displayed
+ * forceRGB boolean Says whether the YUV->RGB decoding should be used (even
+ * in the presence of the WebGL canvas)
*/
-function H264Decoder(Module) {- this.Module = Module;
- this.released = false;
+function H264Decoder(Module, targetElement, forceRGB) {+ var self = this;
+ self.Module = Module;
+ self.released = false;
+ self.yuvCanvas = null;
+ self.pStorage = H264Decoder.h264bsdAlloc_(self.Module);
+ H264Decoder.h264bsdInit_(self.Module, self.pStorage, 0);
+ self.targetElement = targetElement;
- this.pStorage = H264Decoder.h264bsdAlloc();
- H264Decoder.h264bsdInit(this.Module, this.pStorage, 0);
-}
+ //If we are using RGB
+ if (forceRGB){+ self.useWebGL = false;
+ self.precision = 32768;
+ //Calculate all of the YUV->RGB coefficients
+ self.co_y = Math.floor((1.164 * self.precision) + 0.5);
+ self.co_rv = Math.floor((1.596 * self.precision) + 0.5);
+ self.co_gu = Math.floor((0.391 * self.precision) + 0.5);
+ self.co_gv = Math.floor((0.813 * self.precision) + 0.5);
+ self.co_bu = Math.floor((2.018 * self.precision) + 0.5);
+
+ self.coefficients_y = [];
+ for(var i = 0; i < 256; i++)
+ {+ self.coefficients_y[i] = self.co_y * (i - 16) + (self.precision / 2);
+ }
+
+ self.coefficients_rv = [];
+ for(var i = 0; i < 256; i++)
+ {+ self.coefficients_rv[i] = self.co_rv * (i - 128);
+ }
+
+ self.coefficients_gu = [];
+ for(var i = 0; i < 256; i++)
+ {+ self.coefficients_gu[i] = self.co_gu * (i - 128);
+ }
+
+ self.coefficients_gv = [];
+ for(var i = 0; i < 256; i++)
+ {+ self.coefficients_gv[i] = self.co_gv * (i - 128);
+ }
+
+ self.coefficients_bu = [];
+ for(var i = 0; i < 256; i++)
+ {+ self.coefficients_bu[i] = self.co_bu * (i - 128);
+ }
+ }else{+ //Check if we can use WebGL (as this dictates the output pipline)
+ self.useWebGL = H264Decoder.detectWebGl_();
+ }
+};
+
+H264Decoder.RDY = 0;
+H264Decoder.PIC_RDY = 1;
+H264Decoder.HDRS_RDY = 2;
+H264Decoder.ERROR = 3;
+H264Decoder.PARAM_SET_ERROR = 4;
+H264Decoder.MEMALLOC_ERROR = 5;
+
+//Clean up memory used by the decoder
H264Decoder.prototype.release = function() {- if(this.released) return;
+ var self = this;
+ if(self.released) return;
- this.released = true;
- H264Decoder.h264bsdShutdown(this.Module, this.pStorage);
- H264Decoder.h264bsdFree(this.Module, this.pStorage);
-}
+ self.released = true;
+ H264Decoder.h264bsdShutdown_(self.Module, self.pStorage);
+ H264Decoder.h264bsdFree_(self.Module, self.pStorage);
+};
+//Takes an array buffer of bytes and returns a UInt8Array of the decoded bytes
H264Decoder.prototype.decode = function(data) {- if(data === undefined || !(data instanceof DataView)) {- throw new Error("data must be a DataView instance")+ var self = this;
+ if(typeof data === 'undefined' || !(data instanceof ArrayBuffer)) {+ throw new Error("data must be a ArrayBuffer instance")}
+
+ data = new Uint8Array(data);
+
+ var pData = 0; //The offset into the heap when decoding
+ var pAlloced = 0; //The original pointer to the data buffer (for freeing)
+ var pBytesRead = 0; //Pointer to bytesRead
+ var length = data.byteLength; //The byte-wise length of the data to decode
+ var bytesRead = 0; //The number of bytes read from a decode operation
+ var retCode = 0; //Return code from a decode operation
+ var lastPicId = 0; //ID of the last picture decoded
- if(!(data instanceof Uint8Array)) {- data = Uint8Array(data);
- }
+ //Get a pointer into the heap were our decoded bytes will live
+ pData = pAlloced = H264Decoder.malloc_(self.Module, length);
+ self.Module.HEAPU8.set(data, pData);
- var heapOffset = 0;
- var allocedPtr = 0;
+ //get a pointer to where bytesRead will be stored: Uint32 = 4 bytes
+ pBytesRead = H264Decoder.malloc_(self.Module, 4);
- if(data.buffer === Module.HEAPU8.buffer) {- heapOffset = data.byteOffset;
- } else {- heapOffset = allocedPtr = H264Decoder.malloc(this.Module, data.byteLength);
- this.Module.HEAPU8.set(data, heapOffset);
- }
+ //Keep decoding frames while there is still something to decode
+ while(length > 0) {- var len = byteLength;
- var offset = heapOffset;
- while(len > 0) {- // TODO: Do the decode and return data here
+ retCode = H264Decoder.h264bsdDecode_(self.Module, self.pStorage, pData, length, lastPicId, pBytesRead);
+ bytesRead = self.Module.getValue(pBytesRead, 'i32');
+ switch(retCode){+ case H264Decoder.PIC_RDY:
+ lastPicId++;
+ var evt = new CustomEvent("pictureReady", {+ detail: self.getNextOutputPicture()
+ });
+
+ if (self.targetElement != null){+ //Raise the event on the displaying canvas element
+ self.targetElement.dispatchEvent(evt);
+ }
+ break;
+ }
+
+ length = length - bytesRead;
+ pData = pData + bytesRead;
}
- if(allocedPtr != 0) {- H264Decoder.free(this.Module, allocedPtr);
+ if(pAlloced != 0) {+ H264Decoder.free_(self.Module, pAlloced);
}
-}
+
+ if(pBytesRead != 0) {+ H264Decoder.free_(self.Module, pBytesRead);
+ }
+
+};
+
+H264Decoder.prototype.getNextOutputPicture = function(){+ var self = this;
+ var length = H264Decoder.getYUVLength_(self.Module, self.pStorage);
+
+ var pPicId = H264Decoder.malloc_(self.Module, 4);
+ var picId = 0;
+
+ var pIsIdrPic = H264Decoder.malloc_(self.Module, 4);
+ var isIdrPic = 0;
+
+ var pNumErrMbs = H264Decoder.malloc_(self.Module, 4);
+ var numErrMbs = 0;
+
+ var pBytes = H264Decoder.h264bsdNextOutputPicture_(self.Module, self.pStorage, pPicId, pIsIdrPic, pNumErrMbs);
+ var bytes = null;
+
+ //We don't really use these
+ picId = self.Module.getValue(pPicId, 'i32');
+ isIdrPic = self.Module.getValue(pIsIdrPic, 'i32');
+ numErrMbs = self.Module.getValue(pNumErrMbs, 'i32');
+
+ bytes = self.Module.HEAPU8.subarray(pBytes, (pBytes + length));
+
+ H264Decoder.free_(self.Module, pPicId);
+ H264Decoder.free_(self.Module, pIsIdrPic);
+ H264Decoder.free_(self.Module, pNumErrMbs);
+
+ var ret = {};+ var croppingInfo = H264Decoder.getCroppingInfo_(self.Module, self.pStorage);
+
+ //Return bytes according to the requested format
+ if (self.useWebGL){+ ret = {+ encoding: 'YUV',
+ picture: bytes,
+ height: croppingInfo.height,
+ width: croppingInfo.width};
+ }else{+ ret = {+ encoding: 'RGB',
+ picture: H264Decoder.convertYUV2RGB_(bytes, croppingInfo, self),
+ height: croppingInfo.height,
+ width: croppingInfo.width};
+ }
+
+ return ret;
+};
+
+
+H264Decoder.getCroppingInfo_ = function(Module, pStorage){+ var self = this;
+ var result = {+ 'width': (H264Decoder.h264bsdPicWidth_(Module, pStorage)*16),
+ 'height': (H264Decoder.h264bsdPicHeight_(Module, pStorage)*16),
+ 'top': 0,
+ 'left': 0
+ };
+ return result;
+};
+
+H264Decoder.getYUVLength_ = function(Module, pStorage){ + var width = H264Decoder.h264bsdPicWidth_(Module, pStorage);
+ var height = H264Decoder.h264bsdPicHeight_(Module, pStorage);
+ return (width * 16 * height * 16) + (2 * width * 16 * height * 8);
+};
+
+//http://www.browserleaks.com/webgl#howto-detect-webgl
+H264Decoder.detectWebGl_ = function()
+{+ if (!!window.WebGLRenderingContext) {+ var canvas = document.createElement("canvas"),+ names = ["webgl", "experimental-webgl", "moz-webgl", "webkit-3d"],
+ context = false;
+ for(var i=0;i<4;i++) {+ try {+ context = canvas.getContext(names[i]);
+ if (context && typeof context.getParameter == "function") {+ // WebGL is enabled
+ return true;
+ }
+ } catch(e) {}+ }
+ // WebGL is supported, but disabled
+ return false;
+ }
+ // WebGL not supported
+ return false;
+};
-H264Decoder.RDY = 0;
-H264Decoder.PIC_RDY = 1;
-H264Decoder.HDRS_RDY = 2;
-H264Decoder.ERROR = 3;
-H264Decoder.PARAM_SET_ERROR = 4;
-H264Decoder.MEMALLOC_ERROR = 5;
+//If WebGL Canvas is not availble, this will convert an array of yuv bytes into an array of rgb bytes
+H264Decoder.convertYUV2RGB_ = function(yuvBytes, croppingInfo, exCtx){+ var width = croppingInfo.width - croppingInfo.left;
+ var height = croppingInfo.height - croppingInfo.top;
+ var rgbBytes = new Uint8ClampedArray(4 * height * width);
+ var lumaSize = width * height;
+ var chromaSize = lumaSize >> 2;
+
+ var planeY_off = 0;
+ var planeU_off = lumaSize;
+ var planeV_off = lumaSize + chromaSize;
+
+ var stride_Y_h_off;
+ var stride_UV_h_off;
+ var stride_RGBA_off;
+ for (var h=0;h<height;h++) {+ stride_Y_h_off = (width)*h;
+ stride_UV_h_off = (width>>1)*(h>>1);
+ stride_RGBA_off = (width<<2)*h;
+ for (var w=0; w<width; w++) {+ var Y = yuvBytes[planeY_off+ w+stride_Y_h_off];
+ stride_UV_off = (w>>1)+stride_UV_h_off;
+ var U = (yuvBytes[planeU_off+ stride_UV_off]);
+ var V = (yuvBytes[planeV_off+ stride_UV_off]);
+
+ var R = exCtx.coefficients_y[Y] + exCtx.coefficients_rv[V];
+ var G = exCtx.coefficients_y[Y] - exCtx.coefficients_gu[U] - exCtx.coefficients_gv[V];
+ var B = exCtx.coefficients_y[Y] + exCtx.coefficients_bu[U];
+
+ R = R >> 15; // div by 32768
+ G = G >> 15;
+ B = B >> 15;
+
+ var outputData_pos = (w<<2)+stride_RGBA_off;
+ rgbBytes[0+outputData_pos] = R;
+ rgbBytes[1+outputData_pos] = G;
+ rgbBytes[2+outputData_pos] = B;
+ rgbBytes[3+outputData_pos] = 255;
+ }
+ }
+
+ return rgbBytes;
+};
+
+// u32 h264bsdDecode(storage_t *pStorage, u8 *byteStrm, u32 len, u32 picId, u32 *readBytes);
+H264Decoder.h264bsdDecode_ = function(Module, pStorage, pBytes, len, picId, pBytesRead) {+ return Module.ccall('h264bsdDecode', Number, + [Number, Number, Number, Number, Number],
+ [pStorage, pBytes, len, picId, pBytesRead]);
+};
+
// storage_t* h264bsdAlloc();
-H264Decoder.h264bsdAlloc = function(Module) {- return Module.ccall('_h264bsdAlloc', number);-}
+H264Decoder.h264bsdAlloc_ = function(Module) {+ return Module.ccall('h264bsdAlloc', Number);+};
// void h264bsdFree(storage_t *pStorage);
-H264Decoder.h264bsdFree = function(Module, pStorage) {- Module.ccall('_h264bsdFree', null, [number], [pStorage]);-}
+H264Decoder.h264bsdFree_ = function(Module, pStorage) {+ Module.ccall('h264bsdFree', null, [Number], [pStorage]);+};
// u32 h264bsdInit(storage_t *pStorage, u32 noOutputReordering);
-H264Decoder.h264bsdInit = function(Module, pStorage, noOutputReordering) {- return Module.ccall('_h264bsdInit', number, [number, number], [pStorage, noOutputReordering]);-}
+H264Decoder.h264bsdInit_ = function(Module, pStorage, noOutputReordering) {+ return Module.ccall('h264bsdInit', Number, [Number, Number], [pStorage, noOutputReordering]);+};
//void h264bsdShutdown(storage_t *pStorage);
-H264Decoder.h264bsdShutdown = function(Module, pStorage) {- Module.ccall('_h264bsdShutdown', null, [number], [pStorage]);-}
+H264Decoder.h264bsdShutdown_ = function(Module, pStorage) {+ Module.ccall('h264bsdShutdown', null, [Number], [pStorage]);+};
-// u32 h264bsdDecode(storage_t *pStorage, u8 *byteStrm, u32 len, u32 picId, u32 *readBytes);
-H264Decoder.h264bsdDecode = function(Module, pStorage, pBytes, len, picId, pBytesRead) {- return Module.ccall('_h264bsdDecode', - number,
- [number, number, number, number, number],
- [pStorage, pBytes, len, picId, pReadBytes]);
-}
-
// u8* h264bsdNextOutputPicture(storage_t *pStorage, u32 *picId, u32 *isIdrPic, u32 *numErrMbs);
-H264Decoder.h264bsdNextOutputPicture = function(Module, pStorage, pPicId, pIsIdrPic, pNumErrMbs) {- return Module.ccall('_h264bsdNextOutputPicture', - number,
- [number, number, number, number],
+H264Decoder.h264bsdNextOutputPicture_ = function(Module, pStorage, pPicId, pIsIdrPic, pNumErrMbs) {+ return Module.ccall('h264bsdNextOutputPicture', + Number,
+ [Number, Number, Number, Number],
[pStorage, pPicId, pIsIdrPic, pNumErrMbs]);
-}
+};
// u32 h264bsdPicWidth(storage_t *pStorage);
-H264Decoder.h264bsdPicWidth = function(Module, pStorage) {- return Module.ccall('_h264bsdPicWidth', number, [number], [pStorage]);-}
+H264Decoder.h264bsdPicWidth_ = function(Module, pStorage) {+ return Module.ccall('h264bsdPicWidth', Number, [Number], [pStorage]);+};
// u32 h264bsdPicHeight(storage_t *pStorage);
-H264Decoder.h264bsdPicHeight = function(Module, pStorage) {- return Module.ccall('_h264bsdPicHeight', number, [number], [pStorage]);-}
+H264Decoder.h264bsdPicHeight_ = function(Module, pStorage) {+ return Module.ccall('h264bsdPicHeight', Number, [Number], [pStorage]);+};
// void h264bsdCroppingParams(storage_t *pStorage, u32 *croppingFlag, u32 *left, u32 *width, u32 *top, u32 *height);
-H264Decoder.h264bsdCroppingParams = function(Module, pStorage, pCroppingFlag, pLeft, pWidth, pTop, pHeight) {- return Module.ccall('_h264bsdCroppingParams', - number,
- [number, number, number, number, number, number, number],
+H264Decoder.h264bsdCroppingParams_ = function(Module, pStorage, pCroppingFlag, pLeft, pWidth, pTop, pHeight) {+ return Module.ccall('h264bsdCroppingParams', + Number,
+ [Number, Number, Number, Number, Number, Number, Number],
[pStorage, pCroppingFlag, pLeft, pWidth, pTop, pHeight]);
-}
+};
// u32 h264bsdCheckValidParamSets(storage_t *pStorage);
-H264Decoder.h264bsdCheckValidParamSets = function(Module, pStorage){- return Module.ccall('_h264bsdCheckValidParamSets', number, [number], [pStorage]);-}
+H264Decoder.h264bsdCheckValidParamSets_ = function(Module, pStorage){+ return Module.ccall('h264bsdCheckValidParamSets', Number, [Number], [pStorage]);+};
// void* malloc(size_t size);
-H264Decoder.malloc = function(Module, size){- return Module.ccall('_malloc', number, [number], [size]);-}
+H264Decoder.malloc_ = function(Module, size){+ return Module.ccall('malloc', Number, [Number], [size]);+};
// void free(void* ptr);
-H264Decoder.free = function(Module, ptr){- return Module.ccall('_free', null, [number], [ptr]);-}
+H264Decoder.free_ = function(Module, ptr){+ return Module.ccall('free', null, [Number], [ptr]);+};
// void* memcpy(void* dest, void* src, size_t size);
-H264Decoder.memcpy = function(Module, length){- return Module.ccall('_malloc', number, [number, number, number], [dest, src, size]);-}
+H264Decoder.memcpy_ = function(Module, length){+ return Module.ccall('malloc', Number, [Number, Number, Number], [dest, src, size]);+};
--- a/js/h264bsd_asm.js
+++ b/js/h264bsd_asm.js
@@ -250,7 +250,8 @@
STACK_ALIGN: 8,
getAlignSize: function (type, size, vararg) {// we align i64s and doubles on 64-bit boundaries, unlike x86
- if (type == 'i64' || type == 'double' || vararg) return 8;
+ if (vararg) return 8;
+ if (!vararg && (type == 'i64' || type == 'double')) return 8;
if (!type) return Math.min(size, 8); // align structures internally to 64 bits
return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);
},
@@ -306,7 +307,7 @@
prev = curr;
return curr;
});
- if (type.name_[0] === '[') {+ if (type.name_ && type.name_[0] === '[') {// arrays have 2 elements, so we get the proper difference. then we scale here. that way we avoid
// allocating a potentially huge array for [999999 x i8] etc.
type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2;
@@ -735,16 +736,16 @@
}
}
Module['UTF16ToString'] = UTF16ToString;
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF16LE form. The copy will require at most (str.length*2+1)*2 bytes of space in the HEAP.
function stringToUTF16(str, outPtr) { for(var i = 0; i < str.length; ++i) {// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
- HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit
+ HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit;
}
// Null-terminate the pointer to the HEAP.
- HEAP16[(((outPtr)+(str.length*2))>>1)]=0
+ HEAP16[(((outPtr)+(str.length*2))>>1)]=0;
}
Module['stringToUTF16'] = stringToUTF16;
// Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emscripten HEAP, returns
@@ -767,7 +768,7 @@
}
}
Module['UTF32ToString'] = UTF32ToString;
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF32LE form. The copy will require at most (str.length+1)*4 bytes of space in the HEAP,
// but can use less, since str.length does not return the number of characters in the string, but the number of UTF-16 code units in the string.
function stringToUTF32(str, outPtr) {@@ -779,15 +780,19 @@
var trailSurrogate = str.charCodeAt(++iCodeUnit);
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
}
- HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit
+ HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit;
++iChar;
}
// Null-terminate the pointer to the HEAP.
- HEAP32[(((outPtr)+(iChar*4))>>2)]=0
+ HEAP32[(((outPtr)+(iChar*4))>>2)]=0;
}
Module['stringToUTF32'] = stringToUTF32;
function demangle(func) { try {+ // Special-case the entry point, since its name differs from other name mangling.
+ if (func == 'Object._main' || func == '_main') {+ return 'main()';
+ }
if (typeof func === 'number') func = Pointer_stringify(func);
if (func[0] !== '_') return func;
if (func[1] !== '_') return func; // C function
@@ -946,8 +951,20 @@
abort('Cannot enlarge memory arrays in asm.js. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', or (2) set Module.TOTAL_MEMORY before the program runs.');}
var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
-var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
+var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 268435456;
var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
+var totalMemory = 4096;
+while (totalMemory < TOTAL_MEMORY || totalMemory < 2*TOTAL_STACK) {+ if (totalMemory < 16*1024*1024) {+ totalMemory *= 2;
+ } else {+ totalMemory += 16*1024*1024
+ }
+}
+if (totalMemory !== TOTAL_MEMORY) {+ Module.printErr('increasing TOTAL_MEMORY to ' + totalMemory + ' to be more reasonable');+ TOTAL_MEMORY = totalMemory;
+}
// Initialize the runtime's memory
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']),
@@ -1081,7 +1098,7 @@
var i = 0;
while (i < array.length) {var chr = array[i];
- HEAP8[(((buffer)+(i))|0)]=chr
+ HEAP8[(((buffer)+(i))|0)]=chr;
i = i + 1;
}
}
@@ -1094,9 +1111,9 @@
Module['writeArrayToMemory'] = writeArrayToMemory;
function writeAsciiToMemory(str, buffer, dontAddNull) { for (var i = 0; i < str.length; i++) {- HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i)
+ HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i);
}
- if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0
+ if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0;
}
Module['writeAsciiToMemory'] = writeAsciiToMemory;
function unSign(value, bits, ignore, sig) {@@ -2955,7 +2972,7 @@
);
var err = FS.mayCreate(parent, newname);
if (err) {-(err);
+(err);
{throw new FS.ErrnoError(ERRNO_CODES.EPERM);
}
@@ -3826,15 +3843,24 @@
FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
ok++;
if (ok + fail == total) finish();
- ok++;
- if (ok + fail == total) finish();
- };
+ ok++;
+ if (ok + fail == total) finish();
+ };
+ getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() };+ });
+ transaction.onerror = onerror;
+ };
+ openRequest.onerror = onerror;
+ }};var PATH={splitPath:function (filename) {+ var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;+ return splitPathRe.exec(filename).slice(1);
+ },normalizeArray:function (parts, allowAboveRoot) {== total) finish() };
});
transaction.onerror = onerror;
};
openRequest.onerror = onerror;
- }};var PATH={splitPath:function (filename) {+i];
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1);
},normalizeArray:function (parts, allowAboveRoot) {@@ -4069,7 +4095,7 @@
etTimeout(function() {finish(audio); // try to use it even though it is not necessarily ready to play
}, 10000);
-else {+xitPointerLock'] ||
nvas event setup
var canvas = Module['canvas'];
canvas.requestPointerLock = canvas['requestPointerLock'] ||
@@ -4120,9 +4146,9 @@
['elementPointerLock']) { canvas.addEventListener("click", function(ev) { if (!Browser.pointerLock && canvas.requestPointerLock) {-d the page.');
+('WebGL context lost. You will need to reload the page.');'ogg': 'audio/ogg',
- 'wav': 'audio/wav',
+image/bmp',
mentY'] ||
event['webkitMovementY'] ||
0;
@@ -4137,6 +4163,7 @@
|
event.type == 'touchend' ||
event.type == 'touchmove') {+geX - (window.scrollX + rect.left);
.scrollX + rect.left);
y = t.pageY - (window.scrollY + rect.top);
} else {--- /dev/null
+++ b/js/package.json
@@ -1,0 +1,16 @@
+{+ "name": "h264bsd_dist_builder",
+ "description": "Minifies and concatenates all of the files needed for H264Bsd.js",
+ "version": "0.0.1",
+ "private": true,
+ "author": {+ "name": "Chris Jarabek",
+ "email": "chris.jarabek@gmail.com"
+ },
+ "dependencies": {+ "grunt" : "*",
+ "grunt-contrib-uglify": "*",
+ "grunt-contrib-clean": "*"
+ },
+ "title": "H264BSD"
+}
--- /dev/null
+++ b/js/sylvester.js
@@ -1,0 +1,1 @@
+eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('9 17={3i:\'0.1.3\',16:1e-6};l v(){}v.23={e:l(i){8(i<1||i>7.4.q)?w:7.4[i-1]},2R:l(){8 7.4.q},1u:l(){8 F.1x(7.2u(7))},24:l(a){9 n=7.4.q;9 V=a.4||a;o(n!=V.q){8 1L}J{o(F.13(7.4[n-1]-V[n-1])>17.16){8 1L}}H(--n);8 2x},1q:l(){8 v.u(7.4)},1b:l(a){9 b=[];7.28(l(x,i){b.19(a(x,i))});8 v.u(b)},28:l(a){9 n=7.4.q,k=n,i;J{i=k-n;a(7.4[i],i+1)}H(--n)},2q:l(){9 r=7.1u();o(r===0){8 7.1q()}8 7.1b(l(x){8 x/r})},1C:l(a){9 V=a.4||a;9 n=7.4.q,k=n,i;o(n!=V.q){8 w}9 b=0,1D=0,1F=0;7.28(l(x,i){b+=x*V[i-1];1D+=x*x;1F+=V[i-1]*V[i-1]});1D=F.1x(1D);1F=F.1x(1F);o(1D*1F===0){8 w}9 c=b/(1D*1F);o(c<-1){c=-1}o(c>1){c=1}8 F.37(c)},1m:l(a){9 b=7.1C(a);8(b===w)?w:(b<=17.16)},34:l(a){9 b=7.1C(a);8(b===w)?w:(F.13(b-F.1A)<=17.16)},2k:l(a){9 b=7.2u(a);8(b===w)?w:(F.13(b)<=17.16)},2j:l(a){9 V=a.4||a;o(7.4.q!=V.q){8 w}8 7.1b(l(x,i){8 x+V[i-1]})},2C:l(a){9 V=a.4||a;o(7.4.q!=V.q){8 w}8 7.1b(l(x,i){8 x-V[i-1]})},22:l(k){8 7.1b(l(x){8 x*k})},x:l(k){8 7.22(k)},2u:l(a){9 V=a.4||a;9 i,2g=0,n=7.4.q;o(n!=V.q){8 w}J{2g+=7.4[n-1]*V[n-1]}H(--n);8 2g},2f:l(a){9 B=a.4||a;o(7.4.q!=3||B.q!=3){8 w}9 A=7.4;8 v.u([(A[1]*B[2])-(A[2]*B[1]),(A[2]*B[0])-(A[0]*B[2]),(A[0]*B[1])-(A[1]*B[0])])},2A:l(){9 m=0,n=7.4.q,k=n,i;J{i=k-n;o(F.13(7.4[i])>F.13(m)){m=7.4[i]}}H(--n);8 m},2Z:l(x){9 a=w,n=7.4.q,k=n,i;J{i=k-n;o(a===w&&7.4[i]==x){a=i+1}}H(--n);8 a},3g:l(){8 S.2X(7.4)},2d:l(){8 7.1b(l(x){8 F.2d(x)})},2V:l(x){8 7.1b(l(y){8(F.13(y-x)<=17.16)?x:y})},1o:l(a){o(a.K){8 a.1o(7)}9 V=a.4||a;o(V.q!=7.4.q){8 w}9 b=0,2b;7.28(l(x,i){2b=x-V[i-1];b+=2b*2b});8 F.1x(b)},3a:l(a){8 a.1h(7)},2T:l(a){8 a.1h(7)},1V:l(t,a){9 V,R,x,y,z;2S(7.4.q){27 2:V=a.4||a;o(V.q!=2){8 w}R=S.1R(t).4;x=7.4[0]-V[0];y=7.4[1]-V[1];8 v.u([V[0]+R[0][0]*x+R[0][1]*y,V[1]+R[1][0]*x+R[1][1]*y]);1I;27 3:o(!a.U){8 w}9 C=a.1r(7).4;R=S.1R(t,a.U).4;x=7.4[0]-C[0];y=7.4[1]-C[1];z=7.4[2]-C[2];8 v.u([C[0]+R[0][0]*x+R[0][1]*y+R[0][2]*z,C[1]+R[1][0]*x+R[1][1]*y+R[1][2]*z,C[2]+R[2][0]*x+R[2][1]*y+R[2][2]*z]);1I;2P:8 w}},1t:l(a){o(a.K){9 P=7.4.2O();9 C=a.1r(P).4;8 v.u([C[0]+(C[0]-P[0]),C[1]+(C[1]-P[1]),C[2]+(C[2]-(P[2]||0))])}1d{9 Q=a.4||a;o(7.4.q!=Q.q){8 w}8 7.1b(l(x,i){8 Q[i-1]+(Q[i-1]-x)})}},1N:l(){9 V=7.1q();2S(V.4.q){27 3:1I;27 2:V.4.19(0);1I;2P:8 w}8 V},2n:l(){8\'[\'+7.4.2K(\', \')+\']\'},26:l(a){7.4=(a.4||a).2O();8 7}};v.u=l(a){9 V=25 v();8 V.26(a)};v.i=v.u([1,0,0]);v.j=v.u([0,1,0]);v.k=v.u([0,0,1]);v.2J=l(n){9 a=[];J{a.19(F.2F())}H(--n);8 v.u(a)};v.1j=l(n){9 a=[];J{a.19(0)}H(--n);8 v.u(a)};l S(){}S.23={e:l(i,j){o(i<1||i>7.4.q||j<1||j>7.4[0].q){8 w}8 7.4[i-1][j-1]},33:l(i){o(i>7.4.q){8 w}8 v.u(7.4[i-1])},2E:l(j){o(j>7.4[0].q){8 w}9 a=[],n=7.4.q,k=n,i;J{i=k-n;a.19(7.4[i][j-1])}H(--n);8 v.u(a)},2R:l(){8{2D:7.4.q,1p:7.4[0].q}},2D:l(){8 7.4.q},1p:l(){8 7.4[0].q},24:l(a){9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}o(7.4.q!=M.q||7.4[0].q!=M[0].q){8 1L}9 b=7.4.q,15=b,i,G,10=7.4[0].q,j;J{i=15-b;G=10;J{j=10-G;o(F.13(7.4[i][j]-M[i][j])>17.16){8 1L}}H(--G)}H(--b);8 2x},1q:l(){8 S.u(7.4)},1b:l(a){9 b=[],12=7.4.q,15=12,i,G,10=7.4[0].q,j;J{i=15-12;G=10;b[i]=[];J{j=10-G;b[i][j]=a(7.4[i][j],i+1,j+1)}H(--G)}H(--12);8 S.u(b)},2i:l(a){9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}8(7.4.q==M.q&&7.4[0].q==M[0].q)},2j:l(a){9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}o(!7.2i(M)){8 w}8 7.1b(l(x,i,j){8 x+M[i-1][j-1]})},2C:l(a){9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}o(!7.2i(M)){8 w}8 7.1b(l(x,i,j){8 x-M[i-1][j-1]})},2B:l(a){9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}8(7.4[0].q==M.q)},22:l(a){o(!a.4){8 7.1b(l(x){8 x*a})}9 b=a.1u?2x:1L;9 M=a.4||a;o(1g(M[0][0])==\'1f\'){M=S.u(M).4}o(!7.2B(M)){8 w}9 d=7.4.q,15=d,i,G,10=M[0].q,j;9 e=7.4[0].q,4=[],21,20,c;J{i=15-d;4[i]=[];G=10;J{j=10-G;21=0;20=e;J{c=e-20;21+=7.4[i][c]*M[c][j]}H(--20);4[i][j]=21}H(--G)}H(--d);9 M=S.u(4);8 b?M.2E(1):M},x:l(a){8 7.22(a)},32:l(a,b,c,d){9 e=[],12=c,i,G,j;9 f=7.4.q,1p=7.4\ No newline at end of file
--- /dev/null
+++ b/js/util.js
@@ -1,0 +1,69 @@
+function error(message) {+ console.error(message);
+ console.trace();
+}
+
+function assert(condition, message) {+ if (!condition) {+ error(message);
+ }
+}
+
+function isPowerOfTwo(x) {+ return (x & (x - 1)) == 0;
+}
+
+/**
+ * Joins a list of lines using a newline separator, not the fastest
+ * thing in the world but good enough for initialization code.
+ */
+function text(lines) {+ return lines.join("\n");+}
+
+/**
+ * Rounds up to the next highest power of two.
+ */
+function nextHighestPowerOfTwo(x) {+ --x;
+ for (var i = 1; i < 32; i <<= 1) {+ x = x | x >> i;
+ }
+ return x + 1;
+}
+
+/**
+ * Represents a 2-dimensional size value.
+ */
+var Size = (function size() {+ function constructor(w, h) {+ this.w = w;
+ this.h = h;
+ }
+ constructor.prototype = {+ toString: function () {+ return "(" + this.w + ", " + this.h + ")";+ },
+ getHalfSize: function() {+ return new Size(this.w >>> 1, this.h >>> 1);
+ },
+ length: function() {+ return this.w * this.h;
+ }
+ }
+ return constructor;
+})();
+
+/**
+ * Creates a new prototype object derived from another objects prototype along with a list of additional properties.
+ *
+ * @param base object whose prototype to use as the created prototype object's prototype
+ * @param properties additional properties to add to the created prototype object
+ */
+function inherit(base, properties) {+ var prot = Object.create(base.prototype);
+ for (var p in properties) {+ prot[p] = properties[p];
+ }
+ return prot;
+}
\ No newline at end of file
--- a/src/h264bsd_conceal.c
+++ b/src/h264bsd_conceal.c
@@ -176,8 +176,13 @@
refData == NULL)
memset(currImage->data, 128, width*height*384);
else
- memcpy(currImage->data, refData, width*height*384);
-
+ {+ int ii = 0;
+ int size = width*height*384;
+ u8* curr_data = currImage->data;
+ for (ii = 0; ii < size;ii++);
+ curr_data[i] = refData[i];
+ }
pStorage->numConcealedMbs = pStorage->picSizeInMbs;
/* no filtering if whole picture concealed */
--- a/src/h264bsd_reconstruct.c
+++ b/src/h264bsd_reconstruct.c
@@ -2137,12 +2137,35 @@
i32 center,
i32 right)
{+ int i = 0;
+ u8 *pdest = (u8*) fill;
+ u8 *psrc = (u8*) ref;
+ int loops = (center / sizeof(u32));
ASSERT(ref);
ASSERT(fill);
- memcpy(fill, ref, (u32)center);
+
+
+ for(i = 0; i < loops; ++i)
+ {+ *((u32*)pdest) = *((u32*)psrc);
+ pdest += sizeof(u32);
+ psrc += sizeof(u32);
+ }
+
+ loops = (center % sizeof(u32));
+ for (i = 0; i < loops; ++i)
+ {+ *pdest = *psrc;
+ ++pdest;
+ ++psrc;
+ }
+
+ // XXX CrossBridge Optimization
+ // memcpy(fill, ref, center);
+
/*lint -e(715) */
}
@@ -2286,27 +2309,58 @@
bottom = ystop > (i32)height ? ystop - (i32)height : 0;
y = (i32)blockHeight - top - bottom;
- /* Top-overfilling */
- for ( ; top; top-- )
+ if (x0 >= 0 && xstop <= (i32)width)
{- (*fp)(ref, fill, left, x, right);
- fill += fillScanLength;
+ for ( ; top; top-- )
+ {+ FillRow1(ref, fill, left, x, right);
+ fill += fillScanLength;
+ }
+ for ( ; top; top-- )
+ {+ FillRow1(ref, fill, left, x, right);
+ }
+ for ( ; y; y-- )
+ {+ FillRow1(ref, fill, left, x, right);
+ ref += width;
+ fill += fillScanLength;
+ }
}
-
- /* Lines inside reference image */
- for ( ; y; y-- )
+ else
{- (*fp)(ref, fill, left, x, right);
- ref += width;
- fill += fillScanLength;
+ for ( ; top; top-- )
+ {+ h264bsdFillRow7(ref, fill, left, x, right);
+ fill += fillScanLength;
+ }
+ for ( ; top; top-- )
+ {+ h264bsdFillRow7(ref, fill, left, x, right);
+ }
+ for ( ; y; y-- )
+ {+ h264bsdFillRow7(ref, fill, left, x, right);
+ ref += width;
+ fill += fillScanLength;
+ }
}
+ /* Top-overfilling */
+
+ /* Lines inside reference image */
+
+
ref -= width;
/* Bottom-overfilling */
for ( ; bottom; bottom-- )
{- (*fp)(ref, fill, left, x, right);
+ //(*fp)(ref, fill, left, x, right);
+ if (x0 >= 0 && xstop <= (i32)width)
+ FillRow1(ref, fill, left, x, right);
+ else
+ h264bsdFillRow7(ref, fill, left, x, right);
fill += fillScanLength;
}
}
binary files /dev/null b/test/dump.raw differ
--- /dev/null
+++ b/test/h264bsd.html
@@ -1,0 +1,92 @@
+<!doctype html>
+ <head>
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <title>h.264bsd test</title>
+</head>
+<body>
+ <input type="file" id="file" name="file" /><br/>
+
+ <!--This is where we will display decoded frames-->
+ <canvas id="canvas" width="640" height="480" style="border:solid;"></canvas>
+
+ <script src="../js/h264bsd_asm.js"></script>
+ <script src="../js/sylvester.js"></script>
+ <script src="../js/glUtils.js"></script>
+ <script src="../js/util.js"></script>
+ <script src="../js/canvas.js"></script>
+ <script src="../js/h264bsd.js"></script>
+
+ <!--<script src="../js/dist/h264bsd.min.js"></script>-->
+
+ <script type="text/javascript">
+ var canvas = document.getElementById('canvas'); +
+ //Create / init the decoder
+ var d = new H264Decoder(Module, canvas, false);
+
+ //The element we passed into the H264Decoder constructor (canvas), will emit 'pictureReady' events
+ canvas.addEventListener("pictureReady", function(e){+ if (e.detail.picture == null){+ return;
+ }
+
+ var bytes = e.detail.picture;
+ var width = e.detail.width;
+ var height = e.detail.height;
+
+ //The picture will be encoded as YUV or RGB depending on 1) the 3rd param of the H264Decoder constructor,
+ //2) Support for the WebGL canvas in the browser.
+ if (e.detail.encoding === 'YUV'){+ var wgc = new YUVWebGLCanvas(canvas, new Size(width, height));
+ var lumaSize = width * height;
+ var chromaSize = lumaSize >> 2;
+
+ wgc.YTexture.fill(bytes.subarray(0, lumaSize), true);
+ wgc.UTexture.fill(bytes.subarray(lumaSize, lumaSize + chromaSize), true);
+ wgc.VTexture.fill(bytes.subarray(lumaSize + chromaSize, lumaSize + 2 * chromaSize), true);
+ wgc.drawScene();
+
+ } else if (e.detail.encoding === 'RGB'){+ var buf = document.createElement('canvas');+ var bufCtx = buf.getContext('2d');+ var imageData = bufCtx.createImageData(width, height);
+ var out = imageData.data;
+
+ for (var i = 0; i < bytes.length; i++){+ out[i] = bytes[i];
+ }
+ console.log(out);
+
+ canvas.height = height;
+ canvas.width = width;
+
+ canvas.style.height = height;
+ canvas.style.width = width;
+
+ var oc = canvas.getContext('2d');+ oc.putImageData(imageData, 0,0);
+ }
+
+ });
+
+ //Use the FileReader to get the bytes into the decoder
+ function handleFileSelect(evt) {+ var f = evt.target.files[0]; // FileList object
+
+ var reader = new FileReader();
+
+ // Closure to capture the file information.
+ reader.onload = function(e) {+ var buf = e.target.result;
+ d.decode(buf);
+ };
+
+ // Read in the image file as a data URL.
+ reader.readAsArrayBuffer(f);
+ }
+
+ document.getElementById('file').addEventListener('change', handleFileSelect, false);+ </script>
+</body>
+</html>