add getFilters method #982
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add 'Filters must be set with setFilters method first' note.
katspaugh
reviewed
Feb 10, 2017
src/wavesurfer.js
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| * Filters must be set with setFilters method first | ||
| */ | ||
| getFilters: function() { | ||
| if (typeof this.backend.filters !== 'undefined') { |
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You can simply return without this check.
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@katspaugh it will return undefined without the check since filters is not set in the wavesurfer.backend by default to empty.
Once it's set via wavesurfer.backend.setFilter(lowpass), it contains the filters in .backend.
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It will return undefined in your current code as well. There's no else-clause, so the function returns nothing, i.e. undefined.
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@katspaugh I added the else statement to return an empty array.
katspaugh
reviewed
Feb 12, 2017
src/wavesurfer.js
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| return this.backend.filters; | ||
| } else{ | ||
| return []; | ||
| } |
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return this.backend.filters || [];
|
@katspaugh I've made it one line as suggested. |
thijstriemstra
approved these changes
Feb 12, 2017
mspae
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Mar 6, 2017
* add getFilters method * add getFilters() method add 'Filters must be set with setFilters method first' note. * return empty array if no filters are set * change to `return this.backend.filters || [];`
mspae
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Mar 8, 2017
* added contributing info (#1006) * Readded global audio context singleton, functionally equal to PR #1021 * Cleanup npm package (#995) * ignore eclipse project files * exclude everything except dist, plugin and src directories in npm package * only include minified plugins in npm package * updated .npmignore to exclude everything except dist and src directories and subdirectories * Add support for forceDecode (#1009) * Add support for forceDecode Adds the `forceDecode` option to force client side decoding of the audio after download regardless if pre-decoded peaks are passed to the `.load/2` method. This is primarily for use with `.zoom/1` to enable high fidelity rendering on zoom. Without local decoding, the zoom on pre-decoded peaks is very low fidelity. * Update conditional brackets for failing test * nullify this.arraybuffer when destroying to prevent memory leak * removed <<<< HEAD * return array when using getImage() (#1027) * return array when using getImage() * return one canvas image data if not multiple canvases * Update drawer.multicanvas.js * updated getImage() * add comments fir getImage() * updated comments * updated getImage to es6 syntax and applied jsdoc formatting * create new labels feature for spectrogram plugin (#984) * create new labels feature for spectrogram plugin - create labels parameter (true|false) - create labels element and canvas - create labels frequency method loadLabels(); - update createWrapper() method and apply labels feature parameter. * create new labels feature for spectrogram plugin create new labels feature for spectrogram plugin - create labels parameter (true|false) - create labels element and canvas - create labels frequency method loadLabels(); - update createWrapper() method and apply labels feature parameter. * remove extra spaces * removed one more extra white space :) * update css formatting * remove extra space * remove extra space * Updated spectrogram labels to es6 * add getFilters method (#982) * add getFilters method * add getFilters() method add 'Filters must be set with setFilters method first' note. * return empty array if no filters are set * change to `return this.backend.filters || [];` * add debounce to resize/orientationchange event for minimap plugin (#987) * add debounce to resize event * add orientationchange event * getVolume method (#978) * getVolume method returns the current gainNode volume. * added getVolume method * added getVolume method * updated getVolume to es6 syntax * avoid error when calling pause before play (#977) This prevents a `Failed to execute 'stop' on 'AudioBufferSourceNode'` when stop() is called before play(). * fix getDuration() return value when using MediaElement (#941) * fix getDuration() return value for MediaElement change getDuration function in mediaelement.js to return the correct duration length same as WebAudio. from var duration = this.media.duration; // incorrect duration value returned console.log preview: https://cloud.githubusercontent.com/assets/5193884/22399178/6d26c1fe-e565-11e6-9b13-e6107641666a.png to var duration = this.buffer.duration; // correct duration value returned same as WebAudio console.log preview: https://cloud.githubusercontent.com/assets/5193884/22393549/7b130096-e4d6-11e6-83ff-4ebb78b9e42f.png * Update mediaelement.js * add wavesurfer.getPlaybackRate() (#939) add getPlaybackRate method and return playback rate.
mspae
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Aug 19, 2017
* add getFilters method * add getFilters() method add 'Filters must be set with setFilters method first' note. * return empty array if no filters are set * change to `return this.backend.filters || [];`
mspae
pushed a commit
that referenced
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Aug 20, 2017
* add getFilters method * add getFilters() method add 'Filters must be set with setFilters method first' note. * return empty array if no filters are set * change to `return this.backend.filters || [];`
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The method will return an array of all the set filters.
For example when doing something like this: