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[Glitch] Add color extraction for audio thumbnails

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Port 8517a5fdb4 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>
th-downstream
Eugen Rochko 4 years ago committed by Thibaut Girka
parent 26227204df
commit 3c51c7dd3e
6 changed files with 62 additions and 235 deletions
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4
app/javascript/flavours/glitch/components/status.js
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@ -592,7 +592,9 @@ class Status extends ImmutablePureComponent {
src={attachment.get('url')}
alt={attachment.get('description')}
poster={attachment.get('preview_url') || status.getIn(['account', 'avatar_static'])}
blurhash={attachment.get('blurhash')}
backgroundColor={attachment.getIn(['meta', 'colors', 'background'])}
foregroundColor={attachment.getIn(['meta', 'colors', 'foreground'])}
accentColor={attachment.getIn(['meta', 'colors', 'accent'])}
duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
width={this.props.cachedMediaWidth}
height={110}

234
app/javascript/flavours/glitch/features/audio/index.js
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@ -5,131 +5,12 @@ import { formatTime } from 'flavours/glitch/features/video';
import Icon from 'flavours/glitch/components/icon';
import classNames from 'classnames';
import { throttle } from 'lodash';
import { encode, decode } from 'blurhash';
import { getPointerPosition, fileNameFromURL } from 'flavours/glitch/features/video';
import { debounce } from 'lodash';
const digitCharacters = [
'0',
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K',
'L',
'M',
'N',
'O',
'P',
'Q',
'R',
'S',
'T',
'U',
'V',
'W',
'X',
'Y',
'Z',
'a',
'b',
'c',
'd',
'e',
'f',
'g',
'h',
'i',
'j',
'k',
'l',
'm',
'n',
'o',
'p',
'q',
'r',
's',
't',
'u',
'v',
'w',
'x',
'y',
'z',
'#',
'$',
'%',
'*',
'+',
',',
'-',
'.',
':',
';',
'=',
'?',
'@',
'[',
']',
'^',
'_',
'{',
'|',
'}',
'~',
];
const decode83 = (str) => {
let value = 0;
let c, digit;
for (let i = 0; i < str.length; i++) {
c = str[i];
digit = digitCharacters.indexOf(c);
value = value * 83 + digit;
}
return value;
};
const decodeRGB = int => ({
r: Math.max(0, (int >> 16)),
g: Math.max(0, (int >> 8) & 255),
b: Math.max(0, (int & 255)),
});
const luma = ({ r, g, b }) => 0.2126 * r + 0.7152 * g + 0.0722 * b;
const adjustColor = ({ r, g, b }, lumaThreshold = 100) => {
let delta;
if (luma({ r, g, b }) >= lumaThreshold) {
delta = -80;
} else {
delta = 80;
}
return {
r: r + delta,
g: g + delta,
b: b + delta,
};
const hex2rgba = (hex, alpha = 1) => {
const [r, g, b] = hex.match(/\w\w/g).map(x => parseInt(x, 16));
return `rgba(${r}, ${g}, ${b}, ${alpha})`;
};
const messages = defineMessages({
@ -157,7 +38,9 @@ class Audio extends React.PureComponent {
fullscreen: PropTypes.bool,
intl: PropTypes.object.isRequired,
cacheWidth: PropTypes.func,
blurhash: PropTypes.string,
backgroundColor: PropTypes.string,
foregroundColor: PropTypes.string,
accentColor: PropTypes.string,
};
state = {
@ -169,7 +52,6 @@ class Audio extends React.PureComponent {
muted: false,
volume: 0.5,
dragging: false,
color: { r: 255, g: 255, b: 255 },
};
setPlayerRef = c => {
@ -207,10 +89,6 @@ class Audio extends React.PureComponent {
}
}
setBlurhashCanvasRef = c => {
this.blurhashCanvas = c;
}
setCanvasRef = c => {
this.canvas = c;
@ -221,41 +99,13 @@ class Audio extends React.PureComponent {
componentDidMount () {
window.addEventListener('resize', this.handleResize, { passive: true });
if (!this.props.blurhash) {
const img = new Image();
img.crossOrigin = 'anonymous';
img.onload = () => this.handlePosterLoad(img);
img.src = this.props.poster;
} else {
this._setColorScheme();
this._decodeBlurhash();
}
}
componentDidUpdate (prevProps, prevState) {
if (prevProps.poster !== this.props.poster && !this.props.blurhash) {
const img = new Image();
img.crossOrigin = 'anonymous';
img.onload = () => this.handlePosterLoad(img);
img.src = this.props.poster;
}
if (prevState.blurhash !== this.state.blurhash || prevProps.blurhash !== this.props.blurhash) {
this._setColorScheme();
this._decodeBlurhash();
}
if (prevProps.src !== this.props.src || this.state.width !== prevState.width || this.state.height !== prevState.height) {
this._clear();
this._draw();
}
_decodeBlurhash () {
const context = this.blurhashCanvas.getContext('2d');
const pixels = decode(this.props.blurhash || this.state.blurhash, 32, 32);
const outputImageData = new ImageData(pixels, 32, 32);
context.putImageData(outputImageData, 0, 0);
}
componentWillUnmount () {
@ -410,31 +260,6 @@ class Audio extends React.PureComponent {
this.analyser = analyser;
}
handlePosterLoad = image => {
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.width = image.width;
canvas.height = image.height;
context.drawImage(image, 0, 0);
const inputImageData = context.getImageData(0, 0, image.width, image.height);
const blurhash = encode(inputImageData.data, image.width, image.height, 4, 4);
this.setState({ blurhash });
}
_setColorScheme () {
const blurhash = this.props.blurhash || this.state.blurhash;
const averageColor = decodeRGB(decode83(blurhash.slice(2, 6)));
this.setState({
color: adjustColor(averageColor),
darkText: luma(averageColor) >= 165,
});
}
handleDownload = () => {
fetch(this.props.src).then(res => res.blob()).then(blob => {
const element = document.createElement('a');
@ -594,8 +419,8 @@ class Audio extends React.PureComponent {
const gradient = this.canvasContext.createLinearGradient(dx1, dy1, dx2, dy2);
const mainColor = `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
const lastColor = `rgba(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b}, 0)`;
const mainColor = this._getAccentColor();
const lastColor = hex2rgba(mainColor, 0);
gradient.addColorStop(0, mainColor);
gradient.addColorStop(0.6, mainColor);
@ -617,17 +442,25 @@ class Audio extends React.PureComponent {
return Math.floor(this._getRadius() + (PADDING * this._getScaleCoefficient()));
}
_getColor () {
return `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
_getAccentColor () {
return this.props.accentColor || '#ffffff';
}
_getBackgroundColor () {
return this.props.backgroundColor || '#000000';
}
_getForegroundColor () {
return this.props.foregroundColor || '#ffffff';
}
render () {
const { src, intl, alt, editable } = this.props;
const { paused, muted, volume, currentTime, duration, buffer, darkText, dragging } = this.state;
const { paused, muted, volume, currentTime, duration, buffer, dragging } = this.state;
const progress = (currentTime / duration) * 100;
return (
<div className={classNames('audio-player', { editable, 'with-light-background': darkText })} ref={this.setPlayerRef} style={{ width: '100%', height: this.props.fullscreen ? '100%' : (this.state.height || this.props.height) }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
<div className={classNames('audio-player', { editable })} ref={this.setPlayerRef} style={{ backgroundColor: this._getBackgroundColor(), color: this._getForegroundColor(), width: '100%', height: this.props.fullscreen ? '100%' : (this.state.height || this.props.height) }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
<audio
src={src}
ref={this.setAudioRef}
@ -639,24 +472,15 @@ class Audio extends React.PureComponent {
/>
<canvas
className='audio-player__background'
onClick={this.togglePlay}
width='32'
height='32'
style={{ width: this.state.width, height: this.state.height, position: 'absolute', top: 0, left: 0 }}
ref={this.setBlurhashCanvasRef}
aria-label={alt}
title={alt}
role='button'
tabIndex='0'
/>
<canvas
className='audio-player__canvas'
width={this.state.width}
height={this.state.height}
style={{ width: '100%', position: 'absolute', top: 0, left: 0, pointerEvents: 'none' }}
style={{ width: '100%', position: 'absolute', top: 0, left: 0 }}
ref={this.setCanvasRef}
onClick={this.togglePlay}
title={alt}
aria-label={alt}
/>
<img
@ -669,12 +493,12 @@ class Audio extends React.PureComponent {
<div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
<div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
<div className='video-player__seek__progress' style={{ width: `${progress}%`, backgroundColor: this._getColor() }} />
<div className='video-player__seek__progress' style={{ width: `${progress}%`, backgroundColor: this._getAccentColor() }} />
<span
className={classNames('video-player__seek__handle', { active: dragging })}
tabIndex='0'
style={{ left: `${progress}%`, backgroundColor: this._getColor() }}
style={{ left: `${progress}%`, backgroundColor: this._getAccentColor() }}
/>
</div>
@ -685,12 +509,12 @@ class Audio extends React.PureComponent {
<button type='button' title={intl.formatMessage(muted ? messages.unmute : messages.mute)} aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button>
<div className={classNames('video-player__volume', { active: this.state.hovered })} ref={this.setVolumeRef} onMouseDown={this.handleVolumeMouseDown}>
<div className='video-player__volume__current' style={{ width: `${volume * 100}%`, backgroundColor: this._getColor() }} />
<div className='video-player__volume__current' style={{ width: `${volume * 100}%`, backgroundColor: this._getAccentColor() }} />
<span
className={classNames('video-player__volume__handle')}
tabIndex='0'
style={{ left: `${volume * 100}%`, backgroundColor: this._getColor() }}
style={{ left: `${volume * 100}%`, backgroundColor: this._getAccentColor() }}
/>
</div>

4
app/javascript/flavours/glitch/features/status/components/detailed_status.js
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@ -143,7 +143,9 @@ export default class DetailedStatus extends ImmutablePureComponent {
alt={attachment.get('description')}
duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
poster={attachment.get('preview_url') || status.getIn(['account', 'avatar_static'])}
blurhash={attachment.get('blurhash')}
backgroundColor={attachment.getIn(['meta', 'colors', 'background'])}
foregroundColor={attachment.getIn(['meta', 'colors', 'foreground'])}
accentColor={attachment.getIn(['meta', 'colors', 'accent'])}
height={150}
/>
);

4
app/javascript/flavours/glitch/features/ui/components/audio_modal.js
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@ -38,7 +38,9 @@ export default class AudioModal extends ImmutablePureComponent {
duration={media.getIn(['meta', 'original', 'duration'], 0)}
height={150}
poster={media.get('preview_url') || status.getIn(['account', 'avatar_static'])}
blurhash={media.get('blurhash')}
backgroundColor={media.getIn(['meta', 'colors', 'background'])}
foregroundColor={media.getIn(['meta', 'colors', 'foreground'])}
accentColor={media.getIn(['meta', 'colors', 'accent'])}
/>
</div>

4
app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
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@ -329,7 +329,9 @@ class FocalPointModal extends ImmutablePureComponent {
duration={media.getIn(['meta', 'original', 'duration'], 0)}
height={150}
poster={media.get('preview_url') || account.get('avatar_static')}
blurhash={media.get('blurhash')}
backgroundColor={media.getIn(['meta', 'colors', 'background'])}
foregroundColor={media.getIn(['meta', 'colors', 'foreground'])}
accentColor={media.getIn(['meta', 'colors', 'accent'])}
editable
/>
)}

23
app/javascript/flavours/glitch/styles/components/media.scss
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@ -347,36 +347,31 @@
.video-player__volume::before,
.video-player__seek::before {
background: rgba($white, 0.15);
}
&.with-light-background {
color: $black;
.video-player__volume::before,
.video-player__seek::before {
background: rgba($black, 0.15);
background: currentColor;
opacity: 0.15;
}
.video-player__seek__buffer {
background: rgba($black, 0.2);
background: currentColor;
opacity: 0.2;
}
.video-player__buttons button {
color: rgba($black, 0.75);
color: currentColor;
opacity: 0.75;
&:active,
&:hover,
&:focus {
color: $black;
color: currentColor;
opacity: 1;
}
}
.video-player__time-sep,
.video-player__time-total,
.video-player__time-current {
color: $black;
}
color: currentColor;
}
.video-player__seek::before,

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