diff --git a/soundboard.py b/soundboard.py index beb27be..a79494f 100644 --- a/soundboard.py +++ b/soundboard.py @@ -33,7 +33,7 @@ def index(sound=None, text=None, video=None): pitch = request.form.get("pitch", default="") pitch = pitch if pitch.strip() != "" else "50" - subprocess.Popen(["espeak", "-v", voice, "-s", speed, "-p", pitch, text], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) + subprocess.Popen(["espeak", "-v", voice, "-s", speed, "-p", pitch, text.encode('utf-8')], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) return redirect("/") video = request.args.get("video") diff --git a/static/howler.js b/static/howler.js new file mode 100644 index 0000000..dfe2897 --- /dev/null +++ b/static/howler.js @@ -0,0 +1,2801 @@ +/*! + * howler.js v2.0.4 + * howlerjs.com + * + * (c) 2013-2017, James Simpson of GoldFire Studios + * goldfirestudios.com + * + * MIT License + */ + +(function() { + + 'use strict'; + + /** Global Methods **/ + /***************************************************************************/ + + /** + * Create the global controller. All contained methods and properties apply + * to all sounds that are currently playing or will be in the future. + */ + var HowlerGlobal = function() { + this.init(); + }; + HowlerGlobal.prototype = { + /** + * Initialize the global Howler object. + * @return {Howler} + */ + init: function() { + var self = this || Howler; + + // Create a global ID counter. + self._counter = 1000; + + // Internal properties. + self._codecs = {}; + self._howls = []; + self._muted = false; + self._volume = 1; + self._canPlayEvent = 'canplaythrough'; + self._navigator = (typeof window !== 'undefined' && window.navigator) ? window.navigator : null; + + // Public properties. + self.masterGain = null; + self.noAudio = false; + self.usingWebAudio = true; + self.autoSuspend = true; + self.ctx = null; + + // Set to false to disable the auto iOS enabler. + self.mobileAutoEnable = true; + + // Setup the various state values for global tracking. + self._setup(); + + return self; + }, + + /** + * Get/set the global volume for all sounds. + * @param {Float} vol Volume from 0.0 to 1.0. + * @return {Howler/Float} Returns self or current volume. + */ + volume: function(vol) { + var self = this || Howler; + vol = parseFloat(vol); + + // If we don't have an AudioContext created yet, run the setup. + if (!self.ctx) { + setupAudioContext(); + } + + if (typeof vol !== 'undefined' && vol >= 0 && vol <= 1) { + self._volume = vol; + + // Don't update any of the nodes if we are muted. + if (self._muted) { + return self; + } + + // When using Web Audio, we just need to adjust the master gain. + if (self.usingWebAudio) { + self.masterGain.gain.value = vol; + } + + // Loop through and change volume for all HTML5 audio nodes. + for (var i=0; i=0; i--) { + self._howls[i].unload(); + } + + // Create a new AudioContext to make sure it is fully reset. + if (self.usingWebAudio && self.ctx && typeof self.ctx.close !== 'undefined') { + self.ctx.close(); + self.ctx = null; + setupAudioContext(); + } + + return self; + }, + + /** + * Check for codec support of specific extension. + * @param {String} ext Audio file extention. + * @return {Boolean} + */ + codecs: function(ext) { + return (this || Howler)._codecs[ext.replace(/^x-/, '')]; + }, + + /** + * Setup various state values for global tracking. + * @return {Howler} + */ + _setup: function() { + var self = this || Howler; + + // Keeps track of the suspend/resume state of the AudioContext. + self.state = self.ctx ? self.ctx.state || 'running' : 'running'; + + // Automatically begin the 30-second suspend process + self._autoSuspend(); + + // Check if audio is available. + if (!self.usingWebAudio) { + // No audio is available on this system if noAudio is set to true. + if (typeof Audio !== 'undefined') { + try { + var test = new Audio(); + + // Check if the canplaythrough event is available. + if (typeof test.oncanplaythrough === 'undefined') { + self._canPlayEvent = 'canplay'; + } + } catch(e) { + self.noAudio = true; + } + } else { + self.noAudio = true; + } + } + + // Test to make sure audio isn't disabled in Internet Explorer. + try { + var test = new Audio(); + if (test.muted) { + self.noAudio = true; + } + } catch (e) {} + + // Check for supported codecs. + if (!self.noAudio) { + self._setupCodecs(); + } + + return self; + }, + + /** + * Check for browser support for various codecs and cache the results. + * @return {Howler} + */ + _setupCodecs: function() { + var self = this || Howler; + var audioTest = null; + + // Must wrap in a try/catch because IE11 in server mode throws an error. + try { + audioTest = (typeof Audio !== 'undefined') ? new Audio() : null; + } catch (err) { + return self; + } + + if (!audioTest || typeof audioTest.canPlayType !== 'function') { + return self; + } + + var mpegTest = audioTest.canPlayType('audio/mpeg;').replace(/^no$/, ''); + + // Opera version <33 has mixed MP3 support, so we need to check for and block it. + var checkOpera = self._navigator && self._navigator.userAgent.match(/OPR\/([0-6].)/g); + var isOldOpera = (checkOpera && parseInt(checkOpera[0].split('/')[1], 10) < 33); + + self._codecs = { + mp3: !!(!isOldOpera && (mpegTest || audioTest.canPlayType('audio/mp3;').replace(/^no$/, ''))), + mpeg: !!mpegTest, + opus: !!audioTest.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ''), + ogg: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''), + oga: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ''), + wav: !!audioTest.canPlayType('audio/wav; codecs="1"').replace(/^no$/, ''), + aac: !!audioTest.canPlayType('audio/aac;').replace(/^no$/, ''), + caf: !!audioTest.canPlayType('audio/x-caf;').replace(/^no$/, ''), + m4a: !!(audioTest.canPlayType('audio/x-m4a;') || audioTest.canPlayType('audio/m4a;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''), + mp4: !!(audioTest.canPlayType('audio/x-mp4;') || audioTest.canPlayType('audio/mp4;') || audioTest.canPlayType('audio/aac;')).replace(/^no$/, ''), + weba: !!audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, ''), + webm: !!audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, ''), + dolby: !!audioTest.canPlayType('audio/mp4; codecs="ec-3"').replace(/^no$/, ''), + flac: !!(audioTest.canPlayType('audio/x-flac;') || audioTest.canPlayType('audio/flac;')).replace(/^no$/, '') + }; + + return self; + }, + + /** + * Mobile browsers will only allow audio to be played after a user interaction. + * Attempt to automatically unlock audio on the first user interaction. + * Concept from: http://paulbakaus.com/tutorials/html5/web-audio-on-ios/ + * @return {Howler} + */ + _enableMobileAudio: function() { + var self = this || Howler; + + // Only run this on mobile devices if audio isn't already eanbled. + var isMobile = /iPhone|iPad|iPod|Android|BlackBerry|BB10|Silk|Mobi/i.test(self._navigator && self._navigator.userAgent); + var isTouch = !!(('ontouchend' in window) || (self._navigator && self._navigator.maxTouchPoints > 0) || (self._navigator && self._navigator.msMaxTouchPoints > 0)); + if (self._mobileEnabled || !self.ctx || (!isMobile && !isTouch)) { + return; + } + + self._mobileEnabled = false; + + // Some mobile devices/platforms have distortion issues when opening/closing tabs and/or web views. + // Bugs in the browser (especially Mobile Safari) can cause the sampleRate to change from 44100 to 48000. + // By calling Howler.unload(), we create a new AudioContext with the correct sampleRate. + if (!self._mobileUnloaded && self.ctx.sampleRate !== 44100) { + self._mobileUnloaded = true; + self.unload(); + } + + // Scratch buffer for enabling iOS to dispose of web audio buffers correctly, as per: + // http://stackoverflow.com/questions/24119684 + self._scratchBuffer = self.ctx.createBuffer(1, 1, 22050); + + // Call this method on touch start to create and play a buffer, + // then check if the audio actually played to determine if + // audio has now been unlocked on iOS, Android, etc. + var unlock = function() { + // Fix Android can not play in suspend state. + Howler._autoResume(); + + // Create an empty buffer. + var source = self.ctx.createBufferSource(); + source.buffer = self._scratchBuffer; + source.connect(self.ctx.destination); + + // Play the empty buffer. + if (typeof source.start === 'undefined') { + source.noteOn(0); + } else { + source.start(0); + } + + // Calling resume() on a stack initiated by user gesture is what actually unlocks the audio on Android Chrome >= 55. + if (typeof self.ctx.resume === 'function') { + self.ctx.resume(); + } + + // Setup a timeout to check that we are unlocked on the next event loop. + source.onended = function() { + source.disconnect(0); + + // Update the unlocked state and prevent this check from happening again. + self._mobileEnabled = true; + self.mobileAutoEnable = false; + + // Remove the touch start listener. + document.removeEventListener('touchend', unlock, true); + }; + }; + + // Setup a touch start listener to attempt an unlock in. + document.addEventListener('touchend', unlock, true); + + return self; + }, + + /** + * Automatically suspend the Web Audio AudioContext after no sound has played for 30 seconds. + * This saves processing/energy and fixes various browser-specific bugs with audio getting stuck. + * @return {Howler} + */ + _autoSuspend: function() { + var self = this; + + if (!self.autoSuspend || !self.ctx || typeof self.ctx.suspend === 'undefined' || !Howler.usingWebAudio) { + return; + } + + // Check if any sounds are playing. + for (var i=0; i 0 ? sound._seek : self._sprite[sprite][0] / 1000); + var duration = Math.max(0, ((self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000) - seek); + var timeout = (duration * 1000) / Math.abs(sound._rate); + + // Update the parameters of the sound + sound._paused = false; + sound._ended = false; + sound._sprite = sprite; + sound._seek = seek; + sound._start = self._sprite[sprite][0] / 1000; + sound._stop = (self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000; + sound._loop = !!(sound._loop || self._sprite[sprite][2]); + + // Begin the actual playback. + var node = sound._node; + if (self._webAudio) { + // Fire this when the sound is ready to play to begin Web Audio playback. + var playWebAudio = function() { + self._refreshBuffer(sound); + + // Setup the playback params. + var vol = (sound._muted || self._muted) ? 0 : sound._volume; + node.gain.setValueAtTime(vol, Howler.ctx.currentTime); + sound._playStart = Howler.ctx.currentTime; + + // Play the sound using the supported method. + if (typeof node.bufferSource.start === 'undefined') { + sound._loop ? node.bufferSource.noteGrainOn(0, seek, 86400) : node.bufferSource.noteGrainOn(0, seek, duration); + } else { + sound._loop ? node.bufferSource.start(0, seek, 86400) : node.bufferSource.start(0, seek, duration); + } + + // Start a new timer if none is present. + if (timeout !== Infinity) { + self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), timeout); + } + + if (!internal) { + setTimeout(function() { + self._emit('play', sound._id); + }, 0); + } + }; + + var isRunning = (Howler.state === 'running'); + if (self._state === 'loaded' && isRunning) { + playWebAudio(); + } else { + // Wait for the audio to load and then begin playback. + var event = !isRunning && self._state === 'loaded' ? 'resume' : 'load'; + self.once(event, playWebAudio, isRunning ? sound._id : null); + + // Cancel the end timer. + self._clearTimer(sound._id); + } + } else { + // Fire this when the sound is ready to play to begin HTML5 Audio playback. + var playHtml5 = function() { + node.currentTime = seek; + node.muted = sound._muted || self._muted || Howler._muted || node.muted; + node.volume = sound._volume * Howler.volume(); + node.playbackRate = sound._rate; + node.play(); + + // Setup the new end timer. + if (timeout !== Infinity) { + self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), timeout); + } + + if (!internal) { + self._emit('play', sound._id); + } + }; + + // Play immediately if ready, or wait for the 'canplaythrough'e vent. + var loadedNoReadyState = (self._state === 'loaded' && (window && window.ejecta || !node.readyState && Howler._navigator.isCocoonJS)); + if (node.readyState === 4 || loadedNoReadyState) { + playHtml5(); + } else { + var listener = function() { + // Begin playback. + playHtml5(); + + // Clear this listener. + node.removeEventListener(Howler._canPlayEvent, listener, false); + }; + node.addEventListener(Howler._canPlayEvent, listener, false); + + // Cancel the end timer. + self._clearTimer(sound._id); + } + } + + return sound._id; + }, + + /** + * Pause playback and save current position. + * @param {Number} id The sound ID (empty to pause all in group). + * @return {Howl} + */ + pause: function(id) { + var self = this; + + // If the sound hasn't loaded, add it to the load queue to pause when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'pause', + action: function() { + self.pause(id); + } + }); + + return self; + } + + // If no id is passed, get all ID's to be paused. + var ids = self._getSoundIds(id); + + for (var i=0; i Returns the group's volume value. + * volume(id) -> Returns the sound id's current volume. + * volume(vol) -> Sets the volume of all sounds in this Howl group. + * volume(vol, id) -> Sets the volume of passed sound id. + * @return {Howl/Number} Returns self or current volume. + */ + volume: function() { + var self = this; + var args = arguments; + var vol, id; + + // Determine the values based on arguments. + if (args.length === 0) { + // Return the value of the groups' volume. + return self._volume; + } else if (args.length === 1 || args.length === 2 && typeof args[1] === 'undefined') { + // First check if this is an ID, and if not, assume it is a new volume. + var ids = self._getSoundIds(); + var index = ids.indexOf(args[0]); + if (index >= 0) { + id = parseInt(args[0], 10); + } else { + vol = parseFloat(args[0]); + } + } else if (args.length >= 2) { + vol = parseFloat(args[0]); + id = parseInt(args[1], 10); + } + + // Update the volume or return the current volume. + var sound; + if (typeof vol !== 'undefined' && vol >= 0 && vol <= 1) { + // If the sound hasn't loaded, add it to the load queue to change volume when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'volume', + action: function() { + self.volume.apply(self, args); + } + }); + + return self; + } + + // Set the group volume. + if (typeof id === 'undefined') { + self._volume = vol; + } + + // Update one or all volumes. + id = self._getSoundIds(id); + for (var i=0; i to ? 'out' : 'in'; + var steps = diff / 0.01; + var stepLen = (steps > 0) ? len / steps : len; + + // Since browsers clamp timeouts to 4ms, we need to clamp our steps to that too. + if (stepLen < 4) { + steps = Math.ceil(steps / (4 / stepLen)); + stepLen = 4; + } + + // If the sound hasn't loaded, add it to the load queue to fade when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'fade', + action: function() { + self.fade(from, to, len, id); + } + }); + + return self; + } + + // Set the volume to the start position. + self.volume(from, id); + + // Fade the volume of one or all sounds. + var ids = self._getSoundIds(id); + for (var i=0; i 0) { + vol += (dir === 'in' ? 0.01 : -0.01); + } + + // Make sure the volume is in the right bounds. + vol = Math.max(0, vol); + vol = Math.min(1, vol); + + // Round to within 2 decimal points. + vol = Math.round(vol * 100) / 100; + + // Change the volume. + if (self._webAudio) { + if (typeof id === 'undefined') { + self._volume = vol; + } + + sound._volume = vol; + } else { + self.volume(vol, soundId, true); + } + + // When the fade is complete, stop it and fire event. + if ((to < from && vol <= to) || (to > from && vol >= to)) { + clearInterval(sound._interval); + sound._interval = null; + self.volume(to, soundId); + self._emit('fade', soundId); + } + }.bind(self, ids[i], sound), stepLen); + } + } + + return self; + }, + + /** + * Internal method that stops the currently playing fade when + * a new fade starts, volume is changed or the sound is stopped. + * @param {Number} id The sound id. + * @return {Howl} + */ + _stopFade: function(id) { + var self = this; + var sound = self._soundById(id); + + if (sound && sound._interval) { + if (self._webAudio) { + sound._node.gain.cancelScheduledValues(Howler.ctx.currentTime); + } + + clearInterval(sound._interval); + sound._interval = null; + self._emit('fade', id); + } + + return self; + }, + + /** + * Get/set the loop parameter on a sound. This method can optionally take 0, 1 or 2 arguments. + * loop() -> Returns the group's loop value. + * loop(id) -> Returns the sound id's loop value. + * loop(loop) -> Sets the loop value for all sounds in this Howl group. + * loop(loop, id) -> Sets the loop value of passed sound id. + * @return {Howl/Boolean} Returns self or current loop value. + */ + loop: function() { + var self = this; + var args = arguments; + var loop, id, sound; + + // Determine the values for loop and id. + if (args.length === 0) { + // Return the grou's loop value. + return self._loop; + } else if (args.length === 1) { + if (typeof args[0] === 'boolean') { + loop = args[0]; + self._loop = loop; + } else { + // Return this sound's loop value. + sound = self._soundById(parseInt(args[0], 10)); + return sound ? sound._loop : false; + } + } else if (args.length === 2) { + loop = args[0]; + id = parseInt(args[1], 10); + } + + // If no id is passed, get all ID's to be looped. + var ids = self._getSoundIds(id); + for (var i=0; i Returns the first sound node's current playback rate. + * rate(id) -> Returns the sound id's current playback rate. + * rate(rate) -> Sets the playback rate of all sounds in this Howl group. + * rate(rate, id) -> Sets the playback rate of passed sound id. + * @return {Howl/Number} Returns self or the current playback rate. + */ + rate: function() { + var self = this; + var args = arguments; + var rate, id; + + // Determine the values based on arguments. + if (args.length === 0) { + // We will simply return the current rate of the first node. + id = self._sounds[0]._id; + } else if (args.length === 1) { + // First check if this is an ID, and if not, assume it is a new rate value. + var ids = self._getSoundIds(); + var index = ids.indexOf(args[0]); + if (index >= 0) { + id = parseInt(args[0], 10); + } else { + rate = parseFloat(args[0]); + } + } else if (args.length === 2) { + rate = parseFloat(args[0]); + id = parseInt(args[1], 10); + } + + // Update the playback rate or return the current value. + var sound; + if (typeof rate === 'number') { + // If the sound hasn't loaded, add it to the load queue to change playback rate when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'rate', + action: function() { + self.rate.apply(self, args); + } + }); + + return self; + } + + // Set the group rate. + if (typeof id === 'undefined') { + self._rate = rate; + } + + // Update one or all volumes. + id = self._getSoundIds(id); + for (var i=0; i Returns the first sound node's current seek position. + * seek(id) -> Returns the sound id's current seek position. + * seek(seek) -> Sets the seek position of the first sound node. + * seek(seek, id) -> Sets the seek position of passed sound id. + * @return {Howl/Number} Returns self or the current seek position. + */ + seek: function() { + var self = this; + var args = arguments; + var seek, id; + + // Determine the values based on arguments. + if (args.length === 0) { + // We will simply return the current position of the first node. + id = self._sounds[0]._id; + } else if (args.length === 1) { + // First check if this is an ID, and if not, assume it is a new seek position. + var ids = self._getSoundIds(); + var index = ids.indexOf(args[0]); + if (index >= 0) { + id = parseInt(args[0], 10); + } else { + id = self._sounds[0]._id; + seek = parseFloat(args[0]); + } + } else if (args.length === 2) { + seek = parseFloat(args[0]); + id = parseInt(args[1], 10); + } + + // If there is no ID, bail out. + if (typeof id === 'undefined') { + return self; + } + + // If the sound hasn't loaded, add it to the load queue to seek when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'seek', + action: function() { + self.seek.apply(self, args); + } + }); + + return self; + } + + // Get the sound. + var sound = self._soundById(id); + + if (sound) { + if (typeof seek === 'number' && seek >= 0) { + // Pause the sound and update position for restarting playback. + var playing = self.playing(id); + if (playing) { + self.pause(id, true); + } + + // Move the position of the track and cancel timer. + sound._seek = seek; + sound._ended = false; + self._clearTimer(id); + + // Restart the playback if the sound was playing. + if (playing) { + self.play(id, true); + } + + // Update the seek position for HTML5 Audio. + if (!self._webAudio && sound._node) { + sound._node.currentTime = seek; + } + + self._emit('seek', id); + } else { + if (self._webAudio) { + var realTime = self.playing(id) ? Howler.ctx.currentTime - sound._playStart : 0; + var rateSeek = sound._rateSeek ? sound._rateSeek - sound._seek : 0; + return sound._seek + (rateSeek + realTime * Math.abs(sound._rate)); + } else { + return sound._node.currentTime; + } + } + } + + return self; + }, + + /** + * Check if a specific sound is currently playing or not (if id is provided), or check if at least one of the sounds in the group is playing or not. + * @param {Number} id The sound id to check. If none is passed, the whole sound group is checked. + * @return {Boolean} True if playing and false if not. + */ + playing: function(id) { + var self = this; + + // Check the passed sound ID (if any). + if (typeof id === 'number') { + var sound = self._soundById(id); + return sound ? !sound._paused : false; + } + + // Otherwise, loop through all sounds and check if any are playing. + for (var i=0; i= 0) { + Howler._howls.splice(index, 1); + } + } + + // Delete this sound from the cache (if no other Howl is using it). + var remCache = true; + for (i=0; i=0; i--) { + if (!events[i].id || events[i].id === id || event === 'load') { + setTimeout(function(fn) { + fn.call(this, id, msg); + }.bind(self, events[i].fn), 0); + + // If this event was setup with `once`, remove it. + if (events[i].once) { + self.off(event, events[i].fn, events[i].id); + } + } + } + + return self; + }, + + /** + * Queue of actions initiated before the sound has loaded. + * These will be called in sequence, with the next only firing + * after the previous has finished executing (even if async like play). + * @return {Howl} + */ + _loadQueue: function() { + var self = this; + + if (self._queue.length > 0) { + var task = self._queue[0]; + + // don't move onto the next task until this one is done + self.once(task.event, function() { + self._queue.shift(); + self._loadQueue(); + }); + + task.action(); + } + + return self; + }, + + /** + * Fired when playback ends at the end of the duration. + * @param {Sound} sound The sound object to work with. + * @return {Howl} + */ + _ended: function(sound) { + var self = this; + var sprite = sound._sprite; + + // If we are using IE and there was network latency we may be clipping + // audio before it completes playing. Lets check the node to make sure it + // believes it has completed, before ending the playback. + if (!self._webAudio && self._node && !self._node.ended) { + setTimeout(self._ended.bind(self, sound), 100); + return self; + } + + // Should this sound loop? + var loop = !!(sound._loop || self._sprite[sprite][2]); + + // Fire the ended event. + self._emit('end', sound._id); + + // Restart the playback for HTML5 Audio loop. + if (!self._webAudio && loop) { + self.stop(sound._id, true).play(sound._id); + } + + // Restart this timer if on a Web Audio loop. + if (self._webAudio && loop) { + self._emit('play', sound._id); + sound._seek = sound._start || 0; + sound._rateSeek = 0; + sound._playStart = Howler.ctx.currentTime; + + var timeout = ((sound._stop - sound._start) * 1000) / Math.abs(sound._rate); + self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), timeout); + } + + // Mark the node as paused. + if (self._webAudio && !loop) { + sound._paused = true; + sound._ended = true; + sound._seek = sound._start || 0; + sound._rateSeek = 0; + self._clearTimer(sound._id); + + // Clean up the buffer source. + self._cleanBuffer(sound._node); + + // Attempt to auto-suspend AudioContext if no sounds are still playing. + Howler._autoSuspend(); + } + + // When using a sprite, end the track. + if (!self._webAudio && !loop) { + self.stop(sound._id); + } + + return self; + }, + + /** + * Clear the end timer for a sound playback. + * @param {Number} id The sound ID. + * @return {Howl} + */ + _clearTimer: function(id) { + var self = this; + + if (self._endTimers[id]) { + clearTimeout(self._endTimers[id]); + delete self._endTimers[id]; + } + + return self; + }, + + /** + * Return the sound identified by this ID, or return null. + * @param {Number} id Sound ID + * @return {Object} Sound object or null. + */ + _soundById: function(id) { + var self = this; + + // Loop through all sounds and find the one with this ID. + for (var i=0; i=0; i--) { + if (cnt <= limit) { + return; + } + + if (self._sounds[i]._ended) { + // Disconnect the audio source when using Web Audio. + if (self._webAudio && self._sounds[i]._node) { + self._sounds[i]._node.disconnect(0); + } + + // Remove sounds until we have the pool size. + self._sounds.splice(i, 1); + cnt--; + } + } + }, + + /** + * Get all ID's from the sounds pool. + * @param {Number} id Only return one ID if one is passed. + * @return {Array} Array of IDs. + */ + _getSoundIds: function(id) { + var self = this; + + if (typeof id === 'undefined') { + var ids = []; + for (var i=0; i 0) { + cache[self._src] = buffer; + loadSound(self, buffer); + } + }, function() { + self._emit('loaderror', null, 'Decoding audio data failed.'); + }); + }; + + /** + * Sound is now loaded, so finish setting everything up and fire the loaded event. + * @param {Howl} self + * @param {Object} buffer The decoded buffer sound source. + */ + var loadSound = function(self, buffer) { + // Set the duration. + if (buffer && !self._duration) { + self._duration = buffer.duration; + } + + // Setup a sprite if none is defined. + if (Object.keys(self._sprite).length === 0) { + self._sprite = {__default: [0, self._duration * 1000]}; + } + + // Fire the loaded event. + if (self._state !== 'loaded') { + self._state = 'loaded'; + self._emit('load'); + self._loadQueue(); + } + }; + + /** + * Setup the audio context when available, or switch to HTML5 Audio mode. + */ + var setupAudioContext = function() { + // Check if we are using Web Audio and setup the AudioContext if we are. + try { + if (typeof AudioContext !== 'undefined') { + Howler.ctx = new AudioContext(); + } else if (typeof webkitAudioContext !== 'undefined') { + Howler.ctx = new webkitAudioContext(); + } else { + Howler.usingWebAudio = false; + } + } catch(e) { + Howler.usingWebAudio = false; + } + + // Check if a webview is being used on iOS8 or earlier (rather than the browser). + // If it is, disable Web Audio as it causes crashing. + var iOS = (/iP(hone|od|ad)/.test(Howler._navigator && Howler._navigator.platform)); + var appVersion = Howler._navigator && Howler._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/); + var version = appVersion ? parseInt(appVersion[1], 10) : null; + if (iOS && version && version < 9) { + var safari = /safari/.test(Howler._navigator && Howler._navigator.userAgent.toLowerCase()); + if (Howler._navigator && Howler._navigator.standalone && !safari || Howler._navigator && !Howler._navigator.standalone && !safari) { + Howler.usingWebAudio = false; + } + } + + // Create and expose the master GainNode when using Web Audio (useful for plugins or advanced usage). + if (Howler.usingWebAudio) { + Howler.masterGain = (typeof Howler.ctx.createGain === 'undefined') ? Howler.ctx.createGainNode() : Howler.ctx.createGain(); + Howler.masterGain.gain.value = Howler._muted ? 0 : 1; + Howler.masterGain.connect(Howler.ctx.destination); + } + + // Re-run the setup on Howler. + Howler._setup(); + }; + + // Add support for AMD (Asynchronous Module Definition) libraries such as require.js. + if (typeof define === 'function' && define.amd) { + define([], function() { + return { + Howler: Howler, + Howl: Howl + }; + }); + } + + // Add support for CommonJS libraries such as browserify. + if (typeof exports !== 'undefined') { + exports.Howler = Howler; + exports.Howl = Howl; + } + + // Define globally in case AMD is not available or unused. + if (typeof window !== 'undefined') { + window.HowlerGlobal = HowlerGlobal; + window.Howler = Howler; + window.Howl = Howl; + window.Sound = Sound; + } else if (typeof global !== 'undefined') { // Add to global in Node.js (for testing, etc). + global.HowlerGlobal = HowlerGlobal; + global.Howler = Howler; + global.Howl = Howl; + global.Sound = Sound; + } +})(); + + +/*! + * Spatial Plugin - Adds support for stereo and 3D audio where Web Audio is supported. + * + * howler.js v2.0.4 + * howlerjs.com + * + * (c) 2013-2017, James Simpson of GoldFire Studios + * goldfirestudios.com + * + * MIT License + */ + +(function() { + + 'use strict'; + + // Setup default properties. + HowlerGlobal.prototype._pos = [0, 0, 0]; + HowlerGlobal.prototype._orientation = [0, 0, -1, 0, 1, 0]; + + /** Global Methods **/ + /***************************************************************************/ + + /** + * Helper method to update the stereo panning position of all current Howls. + * Future Howls will not use this value unless explicitly set. + * @param {Number} pan A value of -1.0 is all the way left and 1.0 is all the way right. + * @return {Howler/Number} Self or current stereo panning value. + */ + HowlerGlobal.prototype.stereo = function(pan) { + var self = this; + + // Stop right here if not using Web Audio. + if (!self.ctx || !self.ctx.listener) { + return self; + } + + // Loop through all Howls and update their stereo panning. + for (var i=self._howls.length-1; i>=0; i--) { + self._howls[i].stereo(pan); + } + + return self; + }; + + /** + * Get/set the position of the listener in 3D cartesian space. Sounds using + * 3D position will be relative to the listener's position. + * @param {Number} x The x-position of the listener. + * @param {Number} y The y-position of the listener. + * @param {Number} z The z-position of the listener. + * @return {Howler/Array} Self or current listener position. + */ + HowlerGlobal.prototype.pos = function(x, y, z) { + var self = this; + + // Stop right here if not using Web Audio. + if (!self.ctx || !self.ctx.listener) { + return self; + } + + // Set the defaults for optional 'y' & 'z'. + y = (typeof y !== 'number') ? self._pos[1] : y; + z = (typeof z !== 'number') ? self._pos[2] : z; + + if (typeof x === 'number') { + self._pos = [x, y, z]; + self.ctx.listener.setPosition(self._pos[0], self._pos[1], self._pos[2]); + } else { + return self._pos; + } + + return self; + }; + + /** + * Get/set the direction the listener is pointing in the 3D cartesian space. + * A front and up vector must be provided. The front is the direction the + * face of the listener is pointing, and up is the direction the top of the + * listener is pointing. Thus, these values are expected to be at right angles + * from each other. + * @param {Number} x The x-orientation of the listener. + * @param {Number} y The y-orientation of the listener. + * @param {Number} z The z-orientation of the listener. + * @param {Number} xUp The x-orientation of the top of the listener. + * @param {Number} yUp The y-orientation of the top of the listener. + * @param {Number} zUp The z-orientation of the top of the listener. + * @return {Howler/Array} Returns self or the current orientation vectors. + */ + HowlerGlobal.prototype.orientation = function(x, y, z, xUp, yUp, zUp) { + var self = this; + + // Stop right here if not using Web Audio. + if (!self.ctx || !self.ctx.listener) { + return self; + } + + // Set the defaults for optional 'y' & 'z'. + var or = self._orientation; + y = (typeof y !== 'number') ? or[1] : y; + z = (typeof z !== 'number') ? or[2] : z; + xUp = (typeof xUp !== 'number') ? or[3] : xUp; + yUp = (typeof yUp !== 'number') ? or[4] : yUp; + zUp = (typeof zUp !== 'number') ? or[5] : zUp; + + if (typeof x === 'number') { + self._orientation = [x, y, z, xUp, yUp, zUp]; + self.ctx.listener.setOrientation(x, y, z, xUp, yUp, zUp); + } else { + return or; + } + + return self; + }; + + /** Group Methods **/ + /***************************************************************************/ + + /** + * Add new properties to the core init. + * @param {Function} _super Core init method. + * @return {Howl} + */ + Howl.prototype.init = (function(_super) { + return function(o) { + var self = this; + + // Setup user-defined default properties. + self._orientation = o.orientation || [1, 0, 0]; + self._stereo = o.stereo || null; + self._pos = o.pos || null; + self._pannerAttr = { + coneInnerAngle: typeof o.coneInnerAngle !== 'undefined' ? o.coneInnerAngle : 360, + coneOuterAngle: typeof o.coneOuterAngle !== 'undefined' ? o.coneOuterAngle : 360, + coneOuterGain: typeof o.coneOuterGain !== 'undefined' ? o.coneOuterGain : 0, + distanceModel: typeof o.distanceModel !== 'undefined' ? o.distanceModel : 'inverse', + maxDistance: typeof o.maxDistance !== 'undefined' ? o.maxDistance : 10000, + panningModel: typeof o.panningModel !== 'undefined' ? o.panningModel : 'HRTF', + refDistance: typeof o.refDistance !== 'undefined' ? o.refDistance : 1, + rolloffFactor: typeof o.rolloffFactor !== 'undefined' ? o.rolloffFactor : 1 + }; + + // Setup event listeners. + self._onstereo = o.onstereo ? [{fn: o.onstereo}] : []; + self._onpos = o.onpos ? [{fn: o.onpos}] : []; + self._onorientation = o.onorientation ? [{fn: o.onorientation}] : []; + + // Complete initilization with howler.js core's init function. + return _super.call(this, o); + }; + })(Howl.prototype.init); + + /** + * Get/set the stereo panning of the audio source for this sound or all in the group. + * @param {Number} pan A value of -1.0 is all the way left and 1.0 is all the way right. + * @param {Number} id (optional) The sound ID. If none is passed, all in group will be updated. + * @return {Howl/Number} Returns self or the current stereo panning value. + */ + Howl.prototype.stereo = function(pan, id) { + var self = this; + + // Stop right here if not using Web Audio. + if (!self._webAudio) { + return self; + } + + // If the sound hasn't loaded, add it to the load queue to change stereo pan when capable. + if (self._state !== 'loaded') { + self._queue.push({ + event: 'stereo', + action: function() { + self.stereo(pan, id); + } + }); + + return self; + } + + // Check for PannerStereoNode support and fallback to PannerNode if it doesn't exist. + var pannerType = (typeof Howler.ctx.createStereoPanner === 'undefined') ? 'spatial' : 'stereo'; + + // Setup the group's stereo panning if no ID is passed. + if (typeof id === 'undefined') { + // Return the group's stereo panning if no parameters are passed. + if (typeof pan === 'number') { + self._stereo = pan; + self._pos = [pan, 0, 0]; + } else { + return self._stereo; + } + } + + // Change the streo panning of one or all sounds in group. + var ids = self._getSoundIds(id); + for (var i=0; i Returns the group's values. + * pannerAttr(id) -> Returns the sound id's values. + * pannerAttr(o) -> Set's the values of all sounds in this Howl group. + * pannerAttr(o, id) -> Set's the values of passed sound id. + * + * Attributes: + * coneInnerAngle - (360 by default) There will be no volume reduction inside this angle. + * coneOuterAngle - (360 by default) The volume will be reduced to a constant value of + * `coneOuterGain` outside this angle. + * coneOuterGain - (0 by default) The amount of volume reduction outside of `coneOuterAngle`. + * distanceModel - ('inverse' by default) Determines algorithm to use to reduce volume as audio moves + * away from listener. Can be `linear`, `inverse` or `exponential`. + * maxDistance - (10000 by default) Volume won't reduce between source/listener beyond this distance. + * panningModel - ('HRTF' by default) Determines which spatialization algorithm is used to position audio. + * Can be `HRTF` or `equalpower`. + * refDistance - (1 by default) A reference distance for reducing volume as the source + * moves away from the listener. + * rolloffFactor - (1 by default) How quickly the volume reduces as source moves from listener. + * + * @return {Howl/Object} Returns self or current panner attributes. + */ + Howl.prototype.pannerAttr = function() { + var self = this; + var args = arguments; + var o, id, sound; + + // Stop right here if not using Web Audio. + if (!self._webAudio) { + return self; + } + + // Determine the values based on arguments. + if (args.length === 0) { + // Return the group's panner attribute values. + return self._pannerAttr; + } else if (args.length === 1) { + if (typeof args[0] === 'object') { + o = args[0]; + + // Set the grou's panner attribute values. + if (typeof id === 'undefined') { + self._pannerAttr = { + coneInnerAngle: typeof o.coneInnerAngle !== 'undefined' ? o.coneInnerAngle : self._coneInnerAngle, + coneOuterAngle: typeof o.coneOuterAngle !== 'undefined' ? o.coneOuterAngle : self._coneOuterAngle, + coneOuterGain: typeof o.coneOuterGain !== 'undefined' ? o.coneOuterGain : self._coneOuterGain, + distanceModel: typeof o.distanceModel !== 'undefined' ? o.distanceModel : self._distanceModel, + maxDistance: typeof o.maxDistance !== 'undefined' ? o.maxDistance : self._maxDistance, + panningModel: typeof o.panningModel !== 'undefined' ? o.panningModel : self._panningModel, + refDistance: typeof o.refDistance !== 'undefined' ? o.refDistance : self._refDistance, + rolloffFactor: typeof o.rolloffFactor !== 'undefined' ? o.rolloffFactor : self._rolloffFactor + }; + } + } else { + // Return this sound's panner attribute values. + sound = self._soundById(parseInt(args[0], 10)); + return sound ? sound._pannerAttr : self._pannerAttr; + } + } else if (args.length === 2) { + o = args[0]; + id = parseInt(args[1], 10); + } + + // Update the values of the specified sounds. + var ids = self._getSoundIds(id); + for (var i=0; i setTimeout(resolve, ms)); +} +ready(function() { var sections = document.querySelectorAll("section"); var nav = document.querySelectorAll("nav a"); @@ -28,9 +36,9 @@ ready(function() { }); var searchfield = document.querySelector("#search"); + searchfield.focus(); searchfield.addEventListener("keyup", function() { - console.log("Search!"); var buttons = document.querySelectorAll(".sound"); @@ -48,18 +56,77 @@ ready(function() { }); var reset = document.querySelector("#reset"); + var sounds_nav = document.querySelector("#sounds-nav"); - reset.addEventListener("click", function() { - var buttons = document.querySelectorAll(".sound"); + reset.addEventListener("click", resetSearch, false); + sounds_nav.addEventListener("click", resetSearch, false); - buttons.forEach(function(item) { - item.style.display = "inline-block"; - }); - - searchfield.value = ""; - }); + addKeyListeners(); }); +/* +* Adds all necessary KeyListeners to document +*/ +function addKeyListeners() { + // keyboard listener for global key strokes/inputs + document.onkeydown = function(evt) { + evt = evt || window.event; + if (evt.keyCode == 27) { + // esc key + resetSearch(); + } else if ((evt.keyCode == 75 || evt.keyCode == 67) && evt.ctrlKey) { + // ctrl+k and ctrl+c key binding + killAllAudio(); + } else if (evt.keyCode == 88 && evt.ctrlKey){ + // ctrl+x key binding + toggleLocalMode(); + } + }; + + + // keyboard listener for playing sounds using enter key + var buttons = document.querySelectorAll(".sound"); + + buttons.forEach(function(item) { + item.firstChild.addEventListener('keypress', async function (e) { + var key = e.keyCode; + var source = e.target; + // keylistener for enter or ctrl+enter (which is k10 on chrome) + if (key === 13 || (key === 10 && e.ctrlKey)) { + if(e.ctrlKey){ + killAllAudio(); + await sleep(100); + } + source.classList.add("sound-pressed"); + source.onclick(); + await sleep(300); + source.classList.remove("sound-pressed"); + } + }); + }); +} + + +function resetSearch() { + var searchfield = document.querySelector("#search"); + var buttons = document.querySelectorAll(".sound"); + + buttons.forEach(function(item) { + item.style.display = "inline-block"; + }); + + searchfield.value = ""; + searchfield.focus(); +} + +/* +* Reads the stream url from input with id #streaming-url and forwards it to the server using AJAX. +*/ +function playStream() { + var streamUrl = document.querySelector("#streaming-url").value; + ajaxRequest("/?video="+encodeURI(streamUrl)); +} + function hideSections() { var sections = document.querySelectorAll("section"); @@ -67,3 +134,68 @@ function hideSections() { item.style.display = "none"; }); } + +function ajaxRequest(url) { + var ajaxRequest; + try{ + ajaxRequest = new XMLHttpRequest(); + ajaxRequest.open("GET", url, true); + ajaxRequest.send(null); + }catch (e){ + alert("Unfortunately we were unable to handle your request. Please try again later and contact the server administrator if the problem persists."); + return false; + } +} + +/* +* Switches between local and remote playback mode. +* Additionally changes the button text and its color so that the user has a visible feedback. +*/ +function toggleLocalMode() { + toggleButton = document.getElementById("local-mode-button").children[0]; + if(localModeEnabled){ + localModeEnabled = false; + toggleButton.classList.remove("local"); + toggleButton.innerHTML = "[S]"; + toggleButton.title = "play sounds on server"; + }else{ + localModeEnabled = true; + toggleButton.classList.add("local"); + toggleButton.innerHTML = "[L]"; + toggleButton.title = "play sounds locally"; + } +} + +/* +* Either plays the given sound file locally by using howler.js or forwards the request to the remote server using AJAX. +*/ +function playSound(filename) { + if(localModeEnabled){ + // play local audio using howler.js + var sound = new Howl({ + src: ['/sounds/'+filename] + }); + sound.play(); + howlerSounds.push(sound); + }else{ + ajaxRequest("/play/"+filename); + } +} + +function killAllHowlerAudio() { + for(i=0; i -
-
+ -
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- - - -
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- - -
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