media-recorder-js/qbMediaRecorder.js

WebRTC media recorder library for Javascript

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).QBMediaRecorder=e()}}(function(){return function e(t,o,r){function i(s,a){if(!o[s]){if(!t[s]){var d="function"==typeof require&&require;if(!a&&d)return d(s,!0);if(n)return n(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var u=o[s]={exports:{}};t[s][0].call(u.exports,function(e){var o=t[s][1][e];return i(o||e)},u,u.exports,e,t,o,r)}return o[s].exports}for(var n="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,o){"use strict";t.exports={unsupport:"QBMediaRecorder is not supported this environment.",unsupportCustomAudioRecorder:"qbAudioRecorderWorker.js wasn't found.",unsupportAudioContext:"AudioContext API is not supported this environment.",unsupportMediaRecorderWithOptions:"Got a warning when creating a MediaRecorder, trying to create MediaRecorder without options.",requreArgument:"1 argument required, but only 0 present.",callbackError:"Founded an error in callback:",actionFailed:"QBMediaRecorder is not created or has an invalid state.",no_recorded_chunks:"Does not have any recording data.",streamRequired:"MediaStream is required.",InvalidState:"QBMediaRecorder is not in a state in which the proposed operation is allowed to be executed.",OutOfMemory:"The UA has exhaused the available memory. User agents SHOULD provide as much additional information as possible in the message attribute.",IllegalStreamModification:"A modification to the stream has occurred that makes it impossible to continue recording. An example would be the addition of a Track while recording is occurring. User agents SHOULD provide as much additional information as possible in the message attribute.",OtherRecordingError:"Used for an fatal error other than those listed above. User agents SHOULD provide as much additional information as possible in the message attribute.",GenericError:"The UA cannot provide the codec or recording option that has been requested"}},{}],2:[function(e,t,o){"use strict";function r(e){this.toggleMimeType(e.mimeType),e.workerPath&&this._setCustomRecorderTools(e.workerPath),this.timeslice=e&&e.timeslice&&isNaN(+e.timeslice)?e.timeslice:1e3,this.callbacks=e?this._getCallbacks(e):{},this.recordedBlobs=[],this.ignoreMutedMedia=!e||"boolean"!=typeof e.ignoreMutedMedia||e.ignoreMutedMedia,this._stream=null,this._mediaRecorder=null,this._recordedChunks=[],this._keepRecording=!1}var i=e("./errors");r.prototype.toggleMimeType=function(e){var t=e||!1;if(this._customMimeType="audio/wav"===t?"audio/wav":"audio/mp3"===t&&"audio/mp3",!r.isAvailable()&&!this._customMimeType)throw new Error(i.unsupport);this.mimeType=this._customMimeType?this._customMimeType:this._getMimeType(t)},r.prototype._setCustomRecorderTools=function(e){var t=this;try{if(t._worker=new Worker(e),t._postMessageToWorker({cmd:"init",mimeType:t.mimeType}),t._worker.onmessage=function(e){t._createBlob(e.data),t._closeAudioProcess()},!r.isAudioContext())throw new Error(i.unsupportAudioContext);t.BUFFER_SIZE=2048,t.INPUT_CHANNELS=1,t.OUTPUT_CHANNELS=1,t._audioContext=null}catch(e){throw new Error(i.unsupportCustomAudioRecorder,e)}},r.prototype._getMimeType=function(e){var t,o="video";return e&&r.isTypeSupported(e)?t=e:e?(o=-1===e.toString().toLowerCase().indexOf("audio")?"video":"audio",t=r.getSupportedMimeTypes(o)[0]):t=r.getSupportedMimeTypes(o)[0],t},r.prototype._getCallbacks=function(e){var t={};return["onstart","onstop","onpause","onresume","onerror","onchange","ondataavailable"].forEach(function(o){o in e&&(t[o]=e[o])}),t},r._mimeTypes=e("./mimeTypes"),r._STATES=["inactive","recording","paused"],r.isAvailable=function(){return!!(window&&window.MediaRecorder&&"function"==typeof window.MediaRecorder.isTypeSupported&&window.Blob)},r.isAudioContext=function(){return!(!window||!window.AudioContext&&!window.webkitAudioContext)},r.isTypeSupported=function(e){var t=!1;if(!r.isAvailable())throw new Error(i.unsupport);if(!e)throw new Error(i.requreArgument);switch(e){case"audio/wav":case"audio/mp3":r.isAudioContext()&&(t=!0);break;default:t=window.MediaRecorder.isTypeSupported(e)}return t},r.getSupportedMimeTypes=function(e){var t=e||"video";if(!r.isAvailable())throw new Error(i.unsupport);return r._mimeTypes[t].filter(function(e){return r.isTypeSupported(e)})},r.prototype.getState=function(){return this._mediaRecorder?this._mediaRecorder.state:r._STATES[0]},r.prototype.start=function(e){if(!e)throw new Error(i.requreArgument);var t=this.getState();t!==r._STATES[1]&&t!==r._STATES[2]||this._mediaRecorder.stop(),this._stream&&(this._stream=null),this._stream=e,this._mediaRecorder=null,this._recordedChunks.length=0,this._customMimeType?this._setCustomRecorder():this._setMediaRecorder(),this._setEvents()},r.prototype._setMediaRecorder=function(){var e=this;try{e._mediaRecorder=new window.MediaRecorder(e._stream,{mimeType:e.mimeType,ignoreMutedMedia:e.ignoreMutedMedia})}catch(t){console.warn(i.unsupportMediaRecorderWithOptions,t),e._mediaRecorder=new window.MediaRecorder(e._stream)}},r.prototype._setCustomRecorder=function(){var e=this;e._closeAudioProcess(),e._mediaRecorder={start:function(){try{this.state=r._STATES[1],e._startAudioProcess(),this.onstart()}catch(e){this.onerror(e)}},stop:function(){try{this.state=r._STATES[0],e._stopAudioProcess(),this.onstop()}catch(e){this.onerror(e)}},pause:function(){try{this.state=r._STATES[2],this.onpause()}catch(e){this.onerror(e)}},resume:function(){try{this.state=r._STATES[1],this.onresume()}catch(e){this.onerror(e)}},onstart:function(){"recording"!==this.state&&(this.state=r._STATES[1])},onstop:function(){"inactive"!==this.state&&(this.state=r._STATES[0])},onpause:function(){"paused"!==this.state&&(this.state=r._STATES[2])},onresume:function(){"recording"!==this.state&&(this.state=r._STATES[1])},onerror:function(){try{e._closeAudioProcess()}catch(e){throw new Error(e)}}}},r.prototype._fireCallback=function(e,t){if(0!==Object.keys(this.callbacks).length&&"function"==typeof this.callbacks[e])try{this.callbacks[e](t)}catch(t){console.error("Founded an error in callback:"+e,t)}},r.prototype._setEvents=function(){var e=this;e._customMimeType||(e._mediaRecorder.ondataavailable=function(t){t.data&&t.data.size>0&&(e._recordedChunks.push(t.data),e._fireCallback("ondataavailable",t))}),e._mediaRecorder.onpause=function(){e._fireCallback("onpause")},e._mediaRecorder.onresume=function(){e._fireCallback("onresume")},e._mediaRecorder.onerror=function(t){switch(t.name){case"InvalidState":case"OutOfMemory":case"IllegalStreamModification":case"OtherRecordingError":case"GenericError":console.error(i[t.name]);break;default:console.error("MediaRecorder Error",t)}"inactive"!==e._mediaRecorder.state&&e._mediaRecorder.stop(),e._userCallbacks&&"function"==typeof e._userCallbacks.onErrorRecording&&e._fireCallback("onerror",t)},e._mediaRecorder.onstop=function(){e._customMimeType?e._stopAudioProcess():e._createBlob(e._recordedChunks)},e._mediaRecorder.start(e.timeslice),e._fireCallback("onstart")},r.prototype.stop=function(){var e=this._mediaRecorder,t=e&&e.state?e.state:"inactive";!e||"recording"!==t&&"paused"!==t?console.warn(i.actionFailed):e.stop()},r.prototype.pause=function(){this._mediaRecorder&&"recording"===this._mediaRecorder.state?this._mediaRecorder.pause():console.warn(i.actionFailed)},r.prototype.resume=function(){this._mediaRecorder&&"paused"===this._mediaRecorder.state?this._mediaRecorder.resume():console.warn(i.actionFailed)},r.prototype.change=function(e){if(!e)throw new Error(i.requreArgument);this._keepRecording=!0,this.stop(),this._stream=null,this._mediaRecorder=null,this._stream=e,this._customMimeType?this._setCustomRecorder():this._setMediaRecorder(),this._setEvents()},r.prototype.download=function(e,t){var o=this.getState();o!==r._STATES[1]&&o!==r._STATES[2]||this._mediaRecorder.stop();var i=URL.createObjectURL(t||this._getBlobRecorded()),n=document.createElement("a");n.style.display="none",n.href=i,n.download=(e||Date.now())+"."+this._getExtension(),document.body.appendChild(n),n.click(),setTimeout(function(){document.body.removeChild(n),window.URL.revokeObjectURL(i)},100)},r.prototype._createBlob=function(e){var t=new Blob(e,{type:this.mimeType});this.recordedBlobs.push(t),this._keepRecording||(this.recordedBlobs.length>1?this._fireCallback("onstop",t):this._fireCallback("onstop",this.recordedBlobs[0])),this._keepRecording=!1},r.prototype._getBlobRecorded=function(e){var t=e||this._recordedChunks;return t.length?new Blob(t,{type:this.mimeType}):(console.warn(i.no_recorded_chunks),!1)},r.prototype._getExtension=function(){var e=this.mimeType.indexOf("/"),t=this.mimeType.substring(e+1),o=t.indexOf(";");return-1!==o&&(t=t.substring(0,o)),t},r.prototype._startAudioProcess=function(){if(!r.isAudioContext())throw new Error(i.unsupport);var e,t,o,n,s=this;s._closeAudioProcess(),e=window.AudioContext||window.webkitAudioContext,s._audioContext=new e,n=s._audioContext.createGain(),t=s._audioContext.createMediaStreamSource(s._stream),o=s._audioContext.createScriptProcessor(s.BUFFER_SIZE,s.INPUT_CHANNELS,s.OUTPUT_CHANNELS),t.connect(n),s._postMessageToWorker({cmd:"init",mimeType:s.mimeType,sampleRate:t.context.sampleRate}),o.onaudioprocess=function(e){s._mediaRecorder.state===r._STATES[1]&&s._postMessageToWorker({cmd:"record",bufferChunk:e.inputBuffer.getChannelData(0),bufferSize:s.BUFFER_SIZE})},n.connect(o),o.connect(s._audioContext.destination)},r.prototype._closeAudioProcess=function(){var e=this;e._audioContext&&e._audioContext.close().then(function(){e._audioContext=null,e._postMessageToWorker({cmd:"init",mimeType:""})})},r.prototype._stopAudioProcess=function(){this._postMessageToWorker({cmd:"finish"})},r.prototype._postMessageToWorker=function(e){this._worker&&this._worker.postMessage(e)},t.exports=r},{"./errors":1,"./mimeTypes":3}],3:[function(e,t,o){"use strict";t.exports={audio:["audio/webm;codecs=opus","audio/webm","audio/ogg","audio/mp3","audio/wav"],video:["video/webm;codecs=vp9","video/webm;codecs=vp8","video/webm;codecs=h264","video/webm;codecs=opus","video/webm","video/mp4","video/mpeg"]}},{}]},{},[2])(2)});