Mathias Markl
6 years ago
8 changed files with 95 additions and 139 deletions
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7muk_web_preview_audio/README.md
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2muk_web_preview_audio/__init__.py
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14muk_web_preview_audio/__manifest__.py
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6muk_web_preview_audio/doc/changelog.rst
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51muk_web_preview_audio/doc/index.rst
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38muk_web_preview_audio/static/description/index.html
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112muk_web_preview_audio/static/lib/visualizer/visualizer.js
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4muk_web_preview_audio/static/src/js/preview_handler.js
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# MuK Preview Audio |
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Extendes the Preview Dialog to support audio. Currently the following audio extensions are supported: |
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* Wav (*.wav, audio/wav) |
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* Ogg Theora Vorbis (*.ogg, audio/ogg) |
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* MP3 (*.mp3, audio/mpeg) |
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`2.0.0` |
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------- |
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- Migrated to Python 3 |
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`1.1.0` |
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------- |
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- Lazy load javascript |
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`1.0.0` |
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------- |
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================= |
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MuK Preview Audio |
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================= |
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Extendes the Preview Dialog to support images. Currently the following image extensions |
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are supported: |
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* Wav (\*.wav, audio/wav) |
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* Ogg Theora Vorbis (\*.ogg, audio/ogg) |
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* MP3 (\*.mp3, audio/mpeg) |
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Installation |
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============ |
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To install this module, you need to: |
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Download the module and add it to your Odoo addons folder. Afterward, log on to |
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your Odoo server and go to the Apps menu. Trigger the debug modus and update the |
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list by clicking on the "Update Apps List" link. Now install the module by |
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clicking on the install button. |
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Configuration |
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============= |
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No additional configuration is needed to use this module. |
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Usage |
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============= |
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Go to a binary that contains an audio file and open the preview dialog to view |
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the preview. |
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Credits |
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======= |
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Contributors |
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------------ |
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* Mathias Markl <mathias.markl@mukit.at> |
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Author & Maintainer |
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------------------- |
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This module is maintained by the `MuK IT GmbH <https://www.mukit.at/>`_. |
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MuK IT is an Austrian company specialized in customizing and extending Odoo. |
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We develop custom solutions for your individual needs to help you focus on |
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your strength and expertise to grow your business. |
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If you want to get in touch please contact us via mail |
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(sale@mukit.at) or visit our website (https://mukit.at). |
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/********************************************************************************** |
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* |
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* Copyright (C) 2017 MuK IT GmbH |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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**********************************************************************************/ |
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window.AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext; |
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function Visualizer($audio, $container, $canvas) { |
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var _this = this; |
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this.$audio = $audio; |
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this.$container = $container; |
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this.$canvas = $canvas; |
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this.audio = $audio.get(0); |
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this.canvas = $canvas.get(0); |
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this.audioCtx = new AudioContext(); |
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this.analyser = this.audioCtx.createAnalyser(); |
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this.audioSrc = this.audioCtx.createMediaElementSource(this.audio); |
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this.frequencyData = new Uint8Array(this.analyser.frequencyBinCount); |
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this.smoothEndingCounter = 0; |
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this.audioSrc.connect(this.analyser); |
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this.analyser.connect(this.audioCtx.destination); |
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this.ctx = this.canvas.getContext('2d'), |
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this.capYPositionArray = []; |
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this.$audio.bind('play', function (e) { |
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_this.smoothEndingCounter = 0; |
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_this.calcCanvas(); |
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_this.renderFrame(); |
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}); |
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this.map = function (num, in_min, in_max, out_min, out_max) { |
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return (num - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; |
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} |
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this.calcCanvas = function() { |
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_this.canvas.width = _this.$container.width() !== 0 ? _this.$container.width() : 650; |
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_this.canvas.height = _this.$container.height() !== 0 ? _this.$container.height() : 360; |
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_this.cwidth = _this.canvas.width; |
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_this.cheight = _this.canvas.height - 4; |
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_this.meterWidth = 10; |
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_this.capHeight = 4; |
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_this.capStyle = '#FFF'; |
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_this.meterNum = (_this.$container.width() !== 0 ? _this.$container.width() : 650) / (10 + 2); |
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_this.gradient = _this.ctx.createLinearGradient(0, 0, 0, _this.cheight); |
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_this.gradient.addColorStop(1, '#1CD5FB'); |
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_this.gradient.addColorStop(0.75, '#19DECA'); |
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_this.gradient.addColorStop(0.5, '#28F5A6'); |
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_this.gradient.addColorStop(0.25, '#19DE5A'); |
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_this.gradient.addColorStop(0, '#1CFB27'); |
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} |
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this.renderFrame = function() { |
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if(_this.$container.width() !== _this.cwidth) { |
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_this.calcCanvas(); |
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} |
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_this.ctx.clearRect(0, 0, _this.cwidth, _this.cheight); |
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_this.analyser.getByteFrequencyData(_this.frequencyData); |
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var step = Math.round(_this.frequencyData.length / _this.meterNum); |
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for (var i = 0; i < _this.meterNum; i++) { |
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var valueBar = _this.map(_this.frequencyData[i * step], 0, 255, 0, _this.cheight); |
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var valueCap = _this.map(_this.frequencyData[i * step], 0, 255, 0, _this.canvas.height); |
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if (_this.capYPositionArray.length < Math.round(_this.meterNum)) { |
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_this.capYPositionArray.push(valueCap); |
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}; |
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_this.ctx.fillStyle = _this.gradient; |
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_this.ctx.fillRect(i * 12, _this.cheight - valueBar, _this.meterWidth, _this.cheight); |
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_this.ctx.fillStyle = _this.capStyle; |
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if (valueCap < _this.capYPositionArray[i]) { |
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_this.ctx.fillRect(i * 12, _this.canvas.height - (--_this.capYPositionArray[i]), _this.meterWidth, _this.capHeight); |
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} else { |
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_this.ctx.fillRect(i * 12, _this.canvas.height - valueCap, _this.meterWidth, _this.capHeight); |
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_this.capYPositionArray[i] = valueCap; |
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}; |
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} |
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if(!_this.audio.paused) { |
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requestAnimationFrame(_this.renderFrame); |
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} else { |
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if(_this.smoothEndingCounter < 500) { |
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requestAnimationFrame(_this.renderFrame); |
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} |
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_this.smoothEndingCounter++; |
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} |
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} |
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}; |
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