X-Git-Url: http://105106.c2e0p.group/sound.git/blobdiff_plain/b742b684ca931de2f906a0c24ee773d7c7dfad0a..9c85ed989d2c423bdc31f43c90cbe229f321442e:/sound.js?ds=inline
diff --git a/sound.js b/sound.js
index 843be80..08cd4d0 100644
--- a/sound.js
+++ b/sound.js
@@ -1,11 +1,33 @@
-function Sound() {
+/* Copyright (c) 2014 Jer Noble
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+function Sound(src) {
+
+ if (Sound.audioContext === undefined) {
+ var AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext;
+ Sound.audioContext = new AudioContext();
+ }
- if (Sound.audioContext === undefined)
- Sound.audioContext = new webkitAudioContext();
-
- this._src = null;
this._networkState = this.NETWORK.EMPTY;
- this._preload = true;
+ this._preload = this.PRELOAD.AUTO;
this._buffered = {};
this._readyState = this.READY.NOTHING;
this._seeking = false;
@@ -15,7 +37,7 @@ function Sound() {
this._played = {};
this._seekable = {};
this._ended = false;
- this._autoplay = false;
+ this._autoplay = true;
this._loop = false;
this._volume = 1;
this._muted = false;
@@ -26,11 +48,12 @@ function Sound() {
this.gainNode = null;
this.ajax = null;
- this.eventListeners = { };
+ this.eventListeners = { };
this.shouldBePlaying = 0;
this.startTime = 0;
this.nextStartTime = 0;
- this.load();
+
+ this.setSrc(src);
}
Sound.prototype = {
@@ -58,6 +81,12 @@ Sound.prototype = {
ENOUGH_DATA: 4,
},
+ PRELOAD: {
+ NONE: 0,
+ METADATA: 1,
+ AUTO: 2,
+ },
+
load: function() {
if (this.ajax)
this.ajax.abort();
@@ -75,7 +104,7 @@ Sound.prototype = {
this.setPlaybackRate(this.defaultPlaybackRate);
this._error = null;
- this._autoplay = true;
+ this.shouldBePlaying = this._autoplay;
this.stopInternal();
if (!this._src) {
@@ -147,7 +176,7 @@ Sound.prototype = {
playInternal: function() {
this.gainNode = Sound.audioContext.createGainNode();
- this.gainNode.gain.value = this._volume;
+ this.gainNode.gain.value = this._muted ? 0 : this._volume;
this.gainNode.connect(Sound.audioContext.destination);
this.node = Sound.audioContext.createBufferSource();
@@ -187,6 +216,13 @@ Sound.prototype = {
},
onended: function() {
+ if (this._loop) {
+ this.stopInternal();
+ this.setCurrentTime(0);
+ this.playInternal();
+ return;
+ }
+
this._ended = true;
this.nextStartTime = 0;
this.stopInternal();
@@ -237,7 +273,8 @@ Sound.prototype = {
setSrc: function(src) {
this._src = src;
- this.load();
+ if (this._autoplay || this._preload != this.PRELOAD.NONE)
+ this.load();
},
getCurrentSrc: function() {
@@ -257,21 +294,30 @@ Sound.prototype = {
},
getPreload: function() {
- if (!this._preload)
- return 'none';
- return 'auto';
+ switch (this._preload) {
+ case this.PRELOAD.NONE: return 'none';
+ case this.PRELOAD.METADATA: return 'metadata';
+ case this.PRELOAD.AUTO: return 'auto';
+ default: return '';
+ }
},
setPreload: function(preload) {
switch (preload) {
- case 'none':
- this._preload = false;
- break;
- default:
- this._preload = true;
- if (!this.buffer)
- load();
- break;
+ default:
+ case 'none':
+ this._preload = this.PRELOAD.NONE;
+ break;
+ case 'metadata':
+ this._preload = this.PRELOAD.METADATA;
+ if (this._networkState === this.NETWORK.EMPTY)
+ this.load();
+ break;
+ case 'auto':
+ this._preload = this.PRELOAD.auto;
+ if (this._networkState === this.NETWORK.EMPTY)
+ this.load();
+ break;
}
},
@@ -281,7 +327,7 @@ Sound.prototype = {
return this.nextStartTime + Sound.audioContext.currentTIme - this.startTime;
},
- setCurrentTime: function(time) {
+ setCurrentTime: function(time) {
this.nextStartTime = time;
this.dispatchEventAsync(new CustomEvent('timeupdate'));
if (!this.node)
@@ -320,7 +366,7 @@ Sound.prototype = {
},
setVolume: function(volume) {
- if (this._volume == volume)
+ if (this._volume === volume)
return;
this._volume = volume;
@@ -335,7 +381,7 @@ Sound.prototype = {
},
setMuted: function(muted) {
- if (this._muted == muted)
+ if (this._muted === muted)
return;
this._muted = muted;
@@ -344,6 +390,27 @@ Sound.prototype = {
if (this.gainNode)
this.gainNode.gain.value = this._muted ? 0 : this._volume;
},
+
+ getAutoplay: function() {
+ return this._autoplay;
+ },
+
+ setAutoplay: function(autoplay) {
+ if (this._autoplay === autoplay)
+ return;
+
+ this._autoplay = autoplay;
+ if (this._autoplay && this._networkState === this.NETWORK.EMPTY)
+ this.load();
+ },
+
+ getLoop: function() {
+ return this._loop;
+ },
+
+ setLoop: function(loop) {
+ this._loop = loop;
+ },
};
Object.defineProperty(Sound.prototype, 'src', {
@@ -441,8 +508,17 @@ Object.defineProperty(Sound.prototype, 'defaultMuted', {
set: Sound.prototype.setDefaultMuted,
});
+Object.defineProperty(Sound.prototype, 'preload', {
+ get: Sound.prototype.getPreload,
+ set: Sound.prototype.setPreload,
+});
+
document.createElement = function(elementName) {
if (elementName === "Audio" || elementName === "audio")
return new Sound();
return Document.prototype.createElement.call(this, elementName);
+};
+
+window.Audio = function(src) {
+ return new Sound(src);
};
\ No newline at end of file