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bundle.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else {
var a = factory();
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, {
/******/ configurable: false,
/******/ enumerable: true,
/******/ get: getter
/******/ });
/******/ }
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 2);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var logger;
var errorLogger;
function setLogger(log1, error1) {
logger = log1;
errorLogger = error1 != null ? error1 : log1;
}
exports.setLogger = setLogger;
function isEnable() {
return logger != null;
}
exports.isEnable = isEnable;
function log(message) {
var optionalParams = [];
for (var _i = 1; _i < arguments.length; _i++) {
optionalParams[_i - 1] = arguments[_i];
}
if (logger) {
logger.apply(void 0, [message].concat(optionalParams));
}
}
exports.log = log;
function error(message) {
var optionalParams = [];
for (var _i = 1; _i < arguments.length; _i++) {
optionalParams[_i - 1] = arguments[_i];
}
if (errorLogger) {
errorLogger.apply(void 0, [message].concat(optionalParams));
}
}
exports.error = error;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var NALU = function () {
function NALU(data) {
this.data = data;
this.nri = (data[0] & 0x60) >> 5;
this.ntype = data[0] & 0x1f;
}
Object.defineProperty(NALU, "NDR", {
get: function () {
return 1;
},
enumerable: true,
configurable: true
});
Object.defineProperty(NALU, "IDR", {
get: function () {
return 5;
},
enumerable: true,
configurable: true
});
Object.defineProperty(NALU, "SEI", {
get: function () {
return 6;
},
enumerable: true,
configurable: true
});
Object.defineProperty(NALU, "SPS", {
get: function () {
return 7;
},
enumerable: true,
configurable: true
});
Object.defineProperty(NALU, "PPS", {
get: function () {
return 8;
},
enumerable: true,
configurable: true
});
Object.defineProperty(NALU, "TYPES", {
get: function () {
return _a = {}, _a[NALU.IDR] = 'IDR', _a[NALU.SEI] = 'SEI', _a[NALU.SPS] = 'SPS', _a[NALU.PPS] = 'PPS', _a[NALU.NDR] = 'NDR', _a;
var _a;
},
enumerable: true,
configurable: true
});
NALU.type = function (nalu) {
if (nalu.ntype in NALU.TYPES) {
return NALU.TYPES[nalu.ntype];
} else {
return 'UNKNOWN';
}
};
NALU.prototype.type = function () {
return this.ntype;
};
NALU.prototype.isKeyframe = function () {
return this.ntype === NALU.IDR;
};
NALU.prototype.getSize = function () {
return 4 + this.data.byteLength;
};
NALU.prototype.getData = function () {
var result = new Uint8Array(this.getSize());
var view = new DataView(result.buffer);
view.setUint32(0, this.getSize() - 4);
result.set(this.data, 4);
return result;
};
return NALU;
}();
exports.default = NALU;
/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var h264_remuxer_1 = __webpack_require__(3);
var mp4_generator_1 = __webpack_require__(6);
var debug = __webpack_require__(0);
var nalu_stream_buffer_1 = __webpack_require__(7);
exports.mimeType = 'video/mp4; codecs="avc1.42E01E"';
var debug_1 = __webpack_require__(0);
exports.setLogger = debug_1.setLogger;
function VideoConverter(element, fps, fpf) {
if (fps === void 0) {
fps = 60;
}
if (fpf === void 0) {
fpf = fps;
}
this.element = element;
this.fps = fps;
this.fpf = fpf;
this.receiveBuffer = new nalu_stream_buffer_1.default();
this.queue = [];
if (!MediaSource || !MediaSource.isTypeSupported(exports.mimeType)) {
throw new Error("Your browser is not supported: " + exports.mimeType);
}
this.reset();
}
Object.defineProperty(VideoConverter, "errorNotes", {
get: function () {
return _a = {}, _a[MediaError.MEDIA_ERR_ABORTED] = 'fetching process aborted by user', _a[MediaError.MEDIA_ERR_NETWORK] = 'error occurred when downloading', _a[MediaError.MEDIA_ERR_DECODE] = 'error occurred when decoding', _a[MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED] = 'audio/video not supported', _a;
var _a;
},
enumerable: true,
configurable: true
});
VideoConverter.prototype.setup = function () {
var _this = this;
this.mediaReadyPromise = new Promise(function (resolve, _reject) {
_this.mediaSource.addEventListener('sourceopen', function () {
debug.log("Media Source opened.");
_this.sourceBuffer = _this.mediaSource.addSourceBuffer(exports.mimeType);
_this.sourceBuffer.addEventListener('updateend', function () {
debug.log(" SourceBuffer updateend");
debug.log(" sourceBuffer.buffered.length=" + _this.sourceBuffer.buffered.length);
for (var i = 0, len = _this.sourceBuffer.buffered.length; i < len; i++) {
debug.log(" sourceBuffer.buffered [" + i + "]: " + (_this.sourceBuffer.buffered.start(i) + ", " + _this.sourceBuffer.buffered.end(i)));
}
debug.log(" mediasource.duration=" + _this.mediaSource.duration);
debug.log(" mediasource.readyState=" + _this.mediaSource.readyState);
debug.log(" video.duration=" + _this.element.duration);
debug.log(" video.buffered.length=" + _this.element.buffered.length);
if (debug.isEnable()) {
for (var i = 0, len = _this.element.buffered.length; i < len; i++) {
debug.log(" video.buffered [" + i + "]: " + _this.element.buffered.start(i) + ", " + _this.element.buffered.end(i));
}
}
debug.log(" video.currentTime=" + _this.element.currentTime);
debug.log(" video.readyState=" + _this.element.readyState);
var data = _this.queue.shift();
if (data) {
_this.writeBuffer(data);
}
});
_this.sourceBuffer.addEventListener('error', function () {
debug.error(' SourceBuffer errored!');
});
_this.mediaReady = true;
resolve();
}, false);
_this.mediaSource.addEventListener('sourceclose', function () {
debug.log("Media Source closed.");
_this.mediaReady = false;
}, false);
_this.element.src = URL.createObjectURL(_this.mediaSource);
});
return this.mediaReadyPromise;
};
VideoConverter.prototype.play = function () {
var _this = this;
if (!this.element.paused) {
return;
}
if (this.mediaReady && this.element.readyState >= 2) {
this.element.play();
} else {
var handler_1 = function () {
_this.play();
_this.element.removeEventListener('canplaythrough', handler_1);
};
this.element.addEventListener('canplaythrough', handler_1);
}
};
VideoConverter.prototype.pause = function () {
if (this.element.paused) {
return;
}
this.element.pause();
};
VideoConverter.prototype.reset = function () {
this.receiveBuffer.clear();
if (this.mediaSource && this.mediaSource.readyState === 'open') {
this.mediaSource.duration = 0;
this.mediaSource.endOfStream();
}
this.mediaSource = new MediaSource();
this.remuxer = new h264_remuxer_1.default(this.fps, this.fpf, this.fps * 60);
this.mediaReady = false;
this.mediaReadyPromise = undefined;
this.queue = [];
this.isFirstFrame = true;
this.setup();
};
VideoConverter.prototype.appendRawData = function (data) {
var nalus = this.receiveBuffer.append(data);
for (var _i = 0, nalus_1 = nalus; _i < nalus_1.length; _i++) {
var nalu = nalus_1[_i];
var ret = this.remuxer.remux(nalu);
if (ret) {
this.writeFragment(ret[0], ret[1]);
}
}
};
VideoConverter.prototype.writeFragment = function (dts, pay) {
var remuxer = this.remuxer;
if (remuxer.mp4track.isKeyFrame) {
this.writeBuffer(mp4_generator_1.default.initSegment([remuxer.mp4track], Infinity, remuxer.timescale));
}
if (pay && pay.byteLength) {
debug.log(" Put fragment: " + remuxer.seqNum + ", frames=" + remuxer.mp4track.samples.length + ", size=" + pay.byteLength);
var fragment = mp4_generator_1.default.fragmentSegment(remuxer.seqNum, dts, remuxer.mp4track, pay);
this.writeBuffer(fragment);
remuxer.flush();
} else {
debug.error("Nothing payload!");
}
};
VideoConverter.prototype.writeBuffer = function (data) {
var _this = this;
if (this.mediaReady) {
if (this.sourceBuffer.updating) {
this.queue.push(data);
} else {
this.doAppend(data);
}
} else {
this.queue.push(data);
if (this.mediaReadyPromise) {
this.mediaReadyPromise.then(function () {
if (!_this.sourceBuffer.updating) {
var d = _this.queue.shift();
if (d) {
_this.writeBuffer(d);
}
}
});
this.mediaReadyPromise = undefined;
}
}
};
VideoConverter.prototype.doAppend = function (data) {
var error = this.element.error;
if (error) {
debug.error("MSE Error Occured: " + VideoConverter.errorNotes[error.code]);
this.element.pause();
if (this.mediaSource.readyState === 'open') {
this.mediaSource.endOfStream();
}
} else {
try {
this.sourceBuffer.appendBuffer(data);
debug.log(" appended buffer: size=" + data.byteLength);
} catch (err) {
debug.error("MSE Error occured while appending buffer. " + err.name + ": " + err.message);
}
}
};
window.VideoConverter = VideoConverter;
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var h264_parser_1 = __webpack_require__(4);
var debug = __webpack_require__(0);
var NALU_1 = __webpack_require__(1);
var trackId = 1;
var H264Remuxer = function () {
function H264Remuxer(fps, framePerFragment, timescale) {
this.fps = fps;
this.framePerFragment = framePerFragment;
this.timescale = timescale;
this.readyToDecode = false;
this.totalDTS = 0;
this.stepDTS = Math.round(this.timescale / this.fps);
this.frameCount = 0;
this.seq = 1;
this.mp4track = {
id: H264Remuxer.getTrackID(),
type: 'video',
len: 0,
codec: '',
sps: [],
pps: [],
seiBuffering: false,
width: 0,
height: 0,
timescale: timescale,
duration: timescale,
samples: [],
isKeyFrame: true
};
this.unitSamples = [[]];
this.parser = new h264_parser_1.default(this);
}
H264Remuxer.getTrackID = function () {
return trackId++;
};
Object.defineProperty(H264Remuxer.prototype, "seqNum", {
get: function () {
return this.seq;
},
enumerable: true,
configurable: true
});
H264Remuxer.prototype.remux = function (nalu) {
if (this.mp4track.seiBuffering && nalu.type() === NALU_1.default.SEI) {
return this.createNextFrame();
}
if (this.parser.parseNAL(nalu)) {
this.unitSamples[this.unitSamples.length - 1].push(nalu);
this.mp4track.len += nalu.getSize();
}
if (!this.mp4track.seiBuffering && (nalu.type() === NALU_1.default.IDR || nalu.type() === NALU_1.default.NDR)) {
return this.createNextFrame();
}
return;
};
H264Remuxer.prototype.createNextFrame = function () {
if (this.mp4track.len > 0) {
this.frameCount++;
if (this.frameCount % this.framePerFragment === 0) {
var fragment = this.getFragment();
if (fragment) {
var dts = this.totalDTS;
this.totalDTS = this.stepDTS * this.frameCount;
return [dts, fragment];
} else {
debug.log("No mp4 sample data.");
}
}
this.unitSamples.push([]);
}
return;
};
H264Remuxer.prototype.flush = function () {
this.seq++;
this.mp4track.len = 0;
this.mp4track.samples = [];
this.mp4track.isKeyFrame = false;
this.unitSamples = [[]];
};
H264Remuxer.prototype.getFragment = function () {
if (!this.checkReadyToDecode()) {
return undefined;
}
var payload = new Uint8Array(this.mp4track.len);
this.mp4track.samples = [];
var offset = 0;
for (var i = 0, len = this.unitSamples.length; i < len; i++) {
var units = this.unitSamples[i];
if (units.length === 0) {
continue;
}
var mp4Sample = {
size: 0,
cts: this.stepDTS * i
};
for (var _i = 0, units_1 = units; _i < units_1.length; _i++) {
var unit = units_1[_i];
mp4Sample.size += unit.getSize();
payload.set(unit.getData(), offset);
offset += unit.getSize();
}
this.mp4track.samples.push(mp4Sample);
}
if (offset === 0) {
return undefined;
}
return payload;
};
H264Remuxer.prototype.checkReadyToDecode = function () {
if (!this.readyToDecode || this.unitSamples.filter(function (array) {
return array.length > 0;
}).length === 0) {
debug.log("Not ready to decode! readyToDecode(" + this.readyToDecode + ") is false or units is empty.");
return false;
}
return true;
};
return H264Remuxer;
}();
exports.default = H264Remuxer;
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var bit_stream_1 = __webpack_require__(5);
var debug = __webpack_require__(0);
var NALU_1 = __webpack_require__(1);
var H264Parser = function () {
function H264Parser(remuxer) {
this.remuxer = remuxer;
this.track = remuxer.mp4track;
}
H264Parser.prototype.parseSEI = function (sei) {
var messages = H264Parser.readSEI(sei);
for (var _i = 0, messages_1 = messages; _i < messages_1.length; _i++) {
var m = messages_1[_i];
switch (m.type) {
case 0:
this.track.seiBuffering = true;
break;
case 5:
return true;
default:
break;
}
}
return false;
};
H264Parser.prototype.parseSPS = function (sps) {
var config = H264Parser.readSPS(sps);
this.track.width = config.width;
this.track.height = config.height;
this.track.sps = [sps];
this.track.codec = 'avc1.';
var codecArray = new DataView(sps.buffer, sps.byteOffset + 1, 4);
for (var i = 0; i < 3; ++i) {
var h = codecArray.getUint8(i).toString(16);
if (h.length < 2) {
h = '0' + h;
}
this.track.codec += h;
}
};
H264Parser.prototype.parsePPS = function (pps) {
this.track.pps = [pps];
};
H264Parser.prototype.parseNAL = function (unit) {
if (!unit) {
return false;
}
var push = false;
switch (unit.type()) {
case NALU_1.default.NDR:
case NALU_1.default.IDR:
push = true;
break;
case NALU_1.default.SEI:
push = this.parseSEI(unit.getData().subarray(4));
break;
case NALU_1.default.SPS:
if (this.track.sps.length === 0) {
this.parseSPS(unit.getData().subarray(4));
debug.log(" Found SPS type NALU frame.");
if (!this.remuxer.readyToDecode && this.track.pps.length > 0 && this.track.sps.length > 0) {
this.remuxer.readyToDecode = true;
}
}
push = true;
break;
case NALU_1.default.PPS:
if (this.track.pps.length === 0) {
this.parsePPS(unit.getData().subarray(4));
debug.log(" Found PPS type NALU frame.");
if (!this.remuxer.readyToDecode && this.track.pps.length > 0 && this.track.sps.length > 0) {
this.remuxer.readyToDecode = true;
}
}
push = true;
break;
default:
debug.log(" Found Unknown type NALU frame. type=" + unit.type());
break;
}
return push;
};
H264Parser.skipScalingList = function (decoder, count) {
var lastScale = 8;
var nextScale = 8;
for (var j = 0; j < count; j++) {
if (nextScale !== 0) {
var deltaScale = decoder.readEG();
nextScale = (lastScale + deltaScale + 256) % 256;
}
lastScale = nextScale === 0 ? lastScale : nextScale;
}
};
H264Parser.readSPS = function (data) {
var decoder = new bit_stream_1.default(data);
var frameCropLeftOffset = 0;
var frameCropRightOffset = 0;
var frameCropTopOffset = 0;
var frameCropBottomOffset = 0;
var sarScale = 1;
decoder.readUByte();
var profileIdc = decoder.readUByte();
decoder.skipBits(5);
decoder.skipBits(3);
decoder.skipBits(8);
decoder.skipUEG();
if (profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244 || profileIdc === 44 || profileIdc === 83 || profileIdc === 86 || profileIdc === 118 || profileIdc === 128) {
var chromaFormatIdc = decoder.readUEG();
if (chromaFormatIdc === 3) {
decoder.skipBits(1);
}
decoder.skipUEG();
decoder.skipUEG();
decoder.skipBits(1);
if (decoder.readBoolean()) {
var scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;
for (var i = 0; i < scalingListCount; ++i) {
if (decoder.readBoolean()) {
if (i < 6) {
H264Parser.skipScalingList(decoder, 16);
} else {
H264Parser.skipScalingList(decoder, 64);
}
}
}
}
}
decoder.skipUEG();
var picOrderCntType = decoder.readUEG();
if (picOrderCntType === 0) {
decoder.readUEG();
} else if (picOrderCntType === 1) {
decoder.skipBits(1);
decoder.skipEG();
decoder.skipEG();
var numRefFramesInPicOrderCntCycle = decoder.readUEG();
for (var i = 0; i < numRefFramesInPicOrderCntCycle; ++i) {
decoder.skipEG();
}
}
decoder.skipUEG();
decoder.skipBits(1);
var picWidthInMbsMinus1 = decoder.readUEG();
var picHeightInMapUnitsMinus1 = decoder.readUEG();
var frameMbsOnlyFlag = decoder.readBits(1);
if (frameMbsOnlyFlag === 0) {
decoder.skipBits(1);
}
decoder.skipBits(1);
if (decoder.readBoolean()) {
frameCropLeftOffset = decoder.readUEG();
frameCropRightOffset = decoder.readUEG();
frameCropTopOffset = decoder.readUEG();
frameCropBottomOffset = decoder.readUEG();
}
if (decoder.readBoolean()) {
if (decoder.readBoolean()) {
var sarRatio = void 0;
var aspectRatioIdc = decoder.readUByte();
switch (aspectRatioIdc) {
case 1:
sarRatio = [1, 1];
break;
case 2:
sarRatio = [12, 11];
break;
case 3:
sarRatio = [10, 11];
break;
case 4:
sarRatio = [16, 11];
break;
case 5:
sarRatio = [40, 33];
break;
case 6:
sarRatio = [24, 11];
break;
case 7:
sarRatio = [20, 11];
break;
case 8:
sarRatio = [32, 11];
break;
case 9:
sarRatio = [80, 33];
break;
case 10:
sarRatio = [18, 11];
break;
case 11:
sarRatio = [15, 11];
break;
case 12:
sarRatio = [64, 33];
break;
case 13:
sarRatio = [160, 99];
break;
case 14:
sarRatio = [4, 3];
break;
case 15:
sarRatio = [3, 2];
break;
case 16:
sarRatio = [2, 1];
break;
case 255:
{
sarRatio = [decoder.readUByte() << 8 | decoder.readUByte(), decoder.readUByte() << 8 | decoder.readUByte()];
break;
}
default:
{
debug.error(" H264: Unknown aspectRatioIdc=" + aspectRatioIdc);
}
}
if (sarRatio) {
sarScale = sarRatio[0] / sarRatio[1];
}
}
if (decoder.readBoolean()) {
decoder.skipBits(1);
}
if (decoder.readBoolean()) {
decoder.skipBits(4);
if (decoder.readBoolean()) {
decoder.skipBits(24);
}
}
if (decoder.readBoolean()) {
decoder.skipUEG();
decoder.skipUEG();
}
if (decoder.readBoolean()) {
var unitsInTick = decoder.readUInt();
var timeScale = decoder.readUInt();
var fixedFrameRate = decoder.readBoolean();
var frameDuration = timeScale / (2 * unitsInTick);
debug.log("timescale: " + timeScale + "; unitsInTick: " + unitsInTick + "; " + ("fixedFramerate: " + fixedFrameRate + "; avgFrameDuration: " + frameDuration));
}
}
return {
width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),
height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - (frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)
};
};
H264Parser.readSEI = function (data) {
var decoder = new bit_stream_1.default(data);
decoder.skipBits(8);
var result = [];
while (decoder.bitsAvailable > 3 * 8) {
result.push(this.readSEIMessage(decoder));
}
return result;
};
H264Parser.readSEIMessage = function (decoder) {
function get() {
var result = 0;
while (true) {
var value = decoder.readUByte();
result += value;
if (value !== 0xff) {
break;
}
}
return result;
}
var payloadType = get();
var payloadSize = get();
return this.readSEIPayload(decoder, payloadType, payloadSize);
};
H264Parser.readSEIPayload = function (decoder, type, size) {
var result;
switch (type) {
default:
result = { type: type };
decoder.skipBits(size * 8);
}
decoder.skipBits(decoder.bitsAvailable % 8);
return result;
};
return H264Parser;
}();
exports.default = H264Parser;
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var BitStream = function () {
function BitStream(data) {
this.data = data;
this.index = 0;
this.bitLength = data.byteLength * 8;
}
Object.defineProperty(BitStream.prototype, "bitsAvailable", {
get: function () {
return this.bitLength - this.index;
},
enumerable: true,
configurable: true
});
BitStream.prototype.skipBits = function (size) {
if (this.bitsAvailable < size) {
throw new Error('no bytes available');
}
this.index += size;
};
BitStream.prototype.readBits = function (size) {
var result = this.getBits(size, this.index);
return result;
};
BitStream.prototype.getBits = function (size, offsetBits, moveIndex) {
if (moveIndex === void 0) {
moveIndex = true;
}
if (this.bitsAvailable < size) {
throw new Error('no bytes available');
}
var offset = offsetBits % 8;
var byte = this.data[offsetBits / 8 | 0] & 0xff >>> offset;
var bits = 8 - offset;
if (bits >= size) {
if (moveIndex) {
this.index += size;
}
return byte >> bits - size;
} else {
if (moveIndex) {
this.index += bits;
}
var nextSize = size - bits;
return byte << nextSize | this.getBits(nextSize, offsetBits + bits, moveIndex);
}
};
BitStream.prototype.skipLZ = function () {
var leadingZeroCount;
for (leadingZeroCount = 0; leadingZeroCount < this.bitLength - this.index; ++leadingZeroCount) {
if (0 !== this.getBits(1, this.index + leadingZeroCount, false)) {
this.index += leadingZeroCount;
return leadingZeroCount;
}
}
return leadingZeroCount;
};
BitStream.prototype.skipUEG = function () {
this.skipBits(1 + this.skipLZ());
};
BitStream.prototype.skipEG = function () {
this.skipBits(1 + this.skipLZ());
};
BitStream.prototype.readUEG = function () {
var prefix = this.skipLZ();
return this.readBits(prefix + 1) - 1;
};
BitStream.prototype.readEG = function () {
var value = this.readUEG();
if (0x01 & value) {
return 1 + value >>> 1;
} else {
return -1 * (value >>> 1);
}
};
BitStream.prototype.readBoolean = function () {
return 1 === this.readBits(1);
};
BitStream.prototype.readUByte = function () {
return this.readBits(8);
};
BitStream.prototype.readUShort = function () {
return this.readBits(16);
};
BitStream.prototype.readUInt = function () {
return this.readBits(32);
};
return BitStream;
}();
exports.default = BitStream;
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var MP4 = function () {
function MP4() {}
MP4.init = function () {
MP4.initalized = true;
MP4.types = {
avc1: [],
avcC: [],
btrt: [],
dinf: [],
dref: [],
esds: [],
ftyp: [],
hdlr: [],
mdat: [],
mdhd: [],
mdia: [],
mfhd: [],
minf: [],
moof: [],
moov: [],
mp4a: [],
mvex: [],
mvhd: [],
sdtp: [],
stbl: [],
stco: [],
stsc: [],
stsd: [],
stsz: [],
stts: [],
styp: [],
tfdt: [],
tfhd: [],
traf: [],
trak: [],
trun: [],
trep: [],
trex: [],
tkhd: [],
vmhd: [],
smhd: []
};
for (var type in MP4.types) {
if (MP4.types.hasOwnProperty(type)) {
MP4.types[type] = [type.charCodeAt(0), type.charCodeAt(1), type.charCodeAt(2), type.charCodeAt(3)];
}
}
var hdlr = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0x69, 0x64, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00]);
var dref = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x75, 0x72, 0x6c, 0x20, 0x00, 0x00, 0x00, 0x01]);
var stco = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
MP4.STTS = MP4.STSC = MP4.STCO = stco;
MP4.STSZ = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
MP4.VMHD = new Uint8Array([0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
MP4.SMHD = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
MP4.STSD = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01]);
MP4.FTYP = MP4.box(MP4.types.ftyp, new Uint8Array([0x69, 0x73, 0x6f, 0x35, 0x00, 0x00, 0x00, 0x01, 0x61, 0x76, 0x63, 0x31, 0x69, 0x73, 0x6f, 0x35, 0x64, 0x61, 0x73, 0x68]));
MP4.STYP = MP4.box(MP4.types.styp, new Uint8Array([0x6d, 0x73, 0x64, 0x68, 0x00, 0x00, 0x00, 0x00, 0x6d, 0x73, 0x64, 0x68, 0x6d, 0x73, 0x69, 0x78]));
MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));
MP4.HDLR = MP4.box(MP4.types.hdlr, hdlr);
};
MP4.box = function (type) {
var payload = [];
for (var _i = 1; _i < arguments.length; _i++) {
payload[_i - 1] = arguments[_i];
}
var size = 8;
for (var _a = 0, payload_1 = payload; _a < payload_1.length; _a++) {
var p = payload_1[_a];
size += p.byteLength;
}
var result = new Uint8Array(size);
result[0] = size >> 24 & 0xff;
result[1] = size >> 16 & 0xff;
result[2] = size >> 8 & 0xff;
result[3] = size & 0xff;
result.set(type, 4);
size = 8;
for (var _b = 0, payload_2 = payload; _b < payload_2.length; _b++) {
var box = payload_2[_b];
result.set(box, size);
size += box.byteLength;
}
return result;
};
MP4.mdat = function (data) {
return MP4.box(MP4.types.mdat, data);
};