Commit 1d1490b0 authored by Yassine Doghri's avatar Yassine Doghri
Browse files

feat(video-clips): add new themes + add castopod logo as a watermark

fix video colors to portray exact rgb values using libx264rgb encoding + image transparency issue
when overlaying images with php gd
parent e462abf6
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+112 −4
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ class MediaClipper extends BaseConfig

    public string $wavesMask = APPPATH . 'Libraries/MediaClipper/waves-mask.png';

    public string $watermark = APPPATH . 'Libraries/MediaClipper/castopod-logo.png';

    /**
     * @var array<string, array<string, int|array<string, float|int|string>>>
     */
@@ -57,9 +59,15 @@ class MediaClipper extends BaseConfig
            'timestamp' => [
                'fontsize' => 32,
                'padding' => 10,
                'x' => 1680,
                'x' => 1620,
                'y' => 985,
            ],
            'watermark' => [
                'width' => 90,
                'height' => 72,
                'x' => 140,
                'y' => 960,
            ],
            'progressbar' => [
                'height' => 10,
            ],
@@ -117,10 +125,16 @@ class MediaClipper extends BaseConfig
            ],
            'timestamp' => [
                'fontsize' => 48,
                'padding' => 10,
                'x' => 735,
                'padding' => 14,
                'x' => 734,
                'y' => 1800,
            ],
            'watermark' => [
                'width' => 120,
                'height' => 96,
                'x' => 130,
                'y' => 1770,
            ],
            'progressbar' => [
                'height' => 10,
            ],
@@ -183,6 +197,12 @@ class MediaClipper extends BaseConfig
                'x' => 855,
                'y' => 1070,
            ],
            'watermark' => [
                'width' => 120,
                'height' => 96,
                'x' => 130,
                'y' => 1040,
            ],
            'progressbar' => [
                'height' => 10,
            ],
@@ -209,6 +229,8 @@ class MediaClipper extends BaseConfig
     */
    public array $themes = [
        'pine' => [
            // Preview must be a HSL colorscheme string
            'preview' => '174 100% 29%',
            'background' => [0, 86, 74],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
@@ -220,7 +242,93 @@ class MediaClipper extends BaseConfig
            'progressbar' => '009486',
            'timestampBg' => '00564A',
            'timestampText' => 'FFFFFF',
            'soundwaves' => 'F2FAF9',
            'watermarkBg' => '00564A',
            'soundwaves' => [231, 249, 228],
        ],
        'crimson' => [
            // Preview must be a HSL colorscheme string
            'preview' => '350 87% 61%',
            'background' => [179, 31, 57],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
            'subtitles' => 'FFFFFF',
            // quotes image MUST BE black
            'quotes' => [242, 70, 100],
            'episodeNumberingBg' => [152, 16, 43],
            'episodeNumberingText' => [255, 255, 255],
            'progressbar' => 'F24664',
            'timestampBg' => 'B31F39',
            'timestampText' => 'FFFFFF',
            'watermarkBg' => 'B31F39',
            'soundwaves' => [253, 206, 215],
        ],
        'lake' => [
            // Preview must be a HSL colorscheme string
            'preview' => '194 100% 44%',
            'background' => [0, 86, 113],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
            'subtitles' => 'FFFFFF',
            // quotes image MUST BE black
            'quotes' => [0, 171, 225],
            'episodeNumberingBg' => [0, 43, 57],
            'episodeNumberingText' => [255, 255, 255],
            'progressbar' => '00ABE1',
            'timestampBg' => '005671',
            'timestampText' => 'FFFFFF',
            'watermarkBg' => '005671',
            'soundwaves' => [214, 245, 255],
        ],
        'amber' => [
            // Preview must be a HSL colorscheme string
            'preview' => '17 100% 57%',
            'background' => [177, 50, 0],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
            'subtitles' => 'FFFFFF',
            // quotes image MUST BE black
            'quotes' => [255, 96, 34],
            'episodeNumberingBg' => [121, 34, 0],
            'episodeNumberingText' => [255, 255, 255],
            'progressbar' => 'FF6022',
            'timestampBg' => 'B13200',
            'timestampText' => 'FFFFFF',
            'watermarkBg' => 'B13200',
            'soundwaves' => [255, 213, 197],
        ],
        'jacaranda' => [
            // Preview must be a HSL colorscheme string
            'preview' => '254 72% 52%',
            'background' => [47, 21, 132],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
            'subtitles' => 'FFFFFF',
            // quotes image MUST BE black
            'quotes' => [86, 45, 221],
            'episodeNumberingBg' => [30, 14, 84],
            'episodeNumberingText' => [255, 255, 255],
            'progressbar' => '562DDD',
            'timestampBg' => '2F1584',
            'timestampText' => 'FFFFFF',
            'watermarkBg' => '2F1584',
            'soundwaves' => [199, 185, 244],
        ],
        'onyx' => [
            // Preview must be a HSL colorscheme string
            'preview' => '240 17% 2%',
            'background' => [5, 5, 7],
            'text' => [255, 255, 255],
            // subtitle hex color is BGR (Blue, Green, Red),
            'subtitles' => 'FFFFFF',
            // quotes image MUST BE black
            'quotes' => [38, 38, 49],
            'episodeNumberingBg' => [0, 0, 0],
            'episodeNumberingText' => [255, 255, 255],
            'progressbar' => 'D5D5E1',
            'timestampBg' => '050507',
            'timestampText' => 'FFFFFF',
            'watermarkBg' => '050507',
            'soundwaves' => [213, 213, 225],
        ],
    ];
}
+59 −25
Original line number Diff line number Diff line
@@ -13,6 +13,11 @@ namespace MediaClipper;
use App\Entities\Episode;
use GdImage;

/**
 * TODO: refactor this by splitting image manipulations + video generation
 *
 * @phpstan-ignore-next-line
 */
class VideoClip
{
    /**
@@ -44,21 +49,11 @@ class VideoClip

    protected ?string $episodeNumbering = null;

    /**
     * @var 'landscape'|'portrait'|'squared'
     */
    protected string $format = 'landscape';

    /**
     * @var array<string, mixed>
     */
    protected array $dimensions = [];

    /**
     * @var 'pine'|'crimson'|'lake'|'amber'|'jacaranda'|'onyx'
     */
    protected string $theme = 'pine';

    /**
     * @var array<string, mixed>
     */
@@ -72,11 +67,10 @@ class VideoClip
        protected Episode $episode,
        protected float $start,
        protected float $end,
        string $format,
        string $theme,
        protected string $format = 'landscape',
        protected string $theme = 'pine',
    ) {
        $this->duration = $end - $start;
        $this->format = $format;
        $this->episodeNumbering = $this->episodeNumbering($this->episode->number, $this->episode->season_number);
        $this->dimensions = config('MediaClipper')
            ->formats[$format];
@@ -95,8 +89,8 @@ class VideoClip

        $this->soundbiteOutput = $podcastFolder . "/{$this->episode->slug}-soundbite-{$this->start}-to-{$this->end}.mp3";
        $this->subtitlesClipOutput = $podcastFolder . "/{$this->episode->slug}-subtitles-clip-{$this->start}-to-{$this->end}.srt";
        $this->videoClipBgOutput = $podcastFolder . "/{$this->episode->slug}-clip-bg-{$this->format}.png";
        $this->videoClipOutput = $podcastFolder . "/{$this->episode->slug}-clip-{$this->start}-to-{$this->end}-{$this->format}.mp4";
        $this->videoClipBgOutput = $podcastFolder . "/{$this->episode->slug}-clip-bg-{$this->format}-{$this->theme}.png";
        $this->videoClipOutput = $podcastFolder . "/{$this->episode->slug}-clip-{$this->start}-to-{$this->end}-{$this->format}-{$this->theme}.mp4";
    }

    public function soundbite(): void
@@ -132,23 +126,30 @@ class VideoClip
    {
        // @phpstan-ignore
        $filters = [
            "[0:a]aformat=channel_layouts=mono,showwaves=s={$this->dimensions['soundwaves']['width']}x{$this->dimensions['soundwaves']['height']}:mode=cline:rate=10:colors=0xFFFFFF,format=yuva420p[waves]",
            "[0:a]aformat=channel_layouts=mono,showwaves=s={$this->dimensions['soundwaves']['width']}x{$this->dimensions['soundwaves']['height']}:mode=cline:rate=10:colors=white,format=rgb24[waves]",
            "[waves]scale={$this->dimensions['width']}:{$this->dimensions['height']}:flags=neighbor[resizedwaves]",
            '[resizedwaves][3:v][4:v][5:v]threshold[cleanwaves]',
            '[cleanwaves][2:v]alphamerge[waves_t]',
            '[4:v][waves_t]overlay=x=0:y=0:shortest=1[waves_t2]',
            '[waves_t2]split[m][a]',
            '[m][a]alphamerge[waves_t3]',
            "[waves_t3]scale={$this->dimensions['soundwaves']['rescaleWidth']}:{$this->dimensions['soundwaves']['rescaleHeight']}[waves_final]",
            "[waves_t3]scale={$this->dimensions['soundwaves']['rescaleWidth']}:{$this->dimensions['soundwaves']['rescaleHeight']},lutrgb=r='if(gt(val,100),{$this->colors['soundwaves'][0]},val)':g='if(gt(val,100),{$this->colors['soundwaves'][1]},val)':b='if(gt(val,100),{$this->colors['soundwaves'][2]},val)'[waves_final]",
            "[1:v][waves_final]overlay=x={$this->dimensions['soundwaves']['x']}:y={$this->dimensions['soundwaves']['y']}:shortest=1,drawtext=fontfile=" . $this->getFont(
                'timestamp'
            ) . ":text='%{pts\:gmtime\:{$this->start}\:%H\\\\\\\\\\:%M\\\\\\\\\\:%S\}':x={$this->dimensions['timestamp']['x']}:y={$this->dimensions['timestamp']['y']}:fontsize={$this->dimensions['timestamp']['fontsize']}:fontcolor=0x{$this->colors['timestampText']}:box=1:boxcolor=0x{$this->colors['timestampBg']}:boxborderw={$this->dimensions['timestamp']['padding']},format=yuv420p,colormatrix=bt601:bt2020[v3]",
            ) . ":text='%{pts\:gmtime\:{$this->start}\:%H\\\\\\\\\\:%M\\\\\\\\\\:%S\}':x={$this->dimensions['timestamp']['x']}:y={$this->dimensions['timestamp']['y']}:fontsize={$this->dimensions['timestamp']['fontsize']}:fontcolor=0x{$this->colors['timestampText']}:box=1:boxcolor=0x{$this->colors['timestampBg']}:boxborderw={$this->dimensions['timestamp']['padding']}[v3]",
            "color=c=0x{$this->colors['progressbar']}:s={$this->dimensions['width']}x{$this->dimensions['progressbar']['height']}[progressbar]",
            "[v3][progressbar]overlay=-w+(w/{$this->duration})*t:0:shortest=1:format=rgb,subtitles={$this->subtitlesClipOutput}:fontsdir=" . config(
                'MediaClipper'
            )->fontsFolder . ":force_style='Fontname=" . self::FONTS['subtitles'] . ",Alignment=5,Fontsize={$this->dimensions['subtitles']['fontsize']},PrimaryColour=&H{$this->colors['subtitles']}&,BorderStyle=1,Outline=0,Shadow=0,MarginL={$this->dimensions['subtitles']['marginL']},MarginR={$this->dimensions['subtitles']['marginR']},MarginV={$this->dimensions['subtitles']['marginV']}',format=yuv420p,colormatrix=bt601:bt2020[outv]",
            )->fontsFolder . ":force_style='Fontname=" . self::FONTS['subtitles'] . ",Alignment=5,Fontsize={$this->dimensions['subtitles']['fontsize']},PrimaryColour=&H{$this->colors['subtitles']}&,BorderStyle=1,Outline=0,Shadow=0,MarginL={$this->dimensions['subtitles']['marginL']},MarginR={$this->dimensions['subtitles']['marginR']},MarginV={$this->dimensions['subtitles']['marginV']}'[outv]",
            "[6:v]scale={$this->dimensions['watermark']['width']}:{$this->dimensions['watermark']['height']}[watermark]",
            "color=0x{$this->colors['watermarkBg']}:{$this->dimensions['watermark']['width']}x{$this->dimensions['watermark']['height']}[over]",
            '[over][watermark]overlay=x=0:y=0:shortest=1[watermark_box]',
            "[outv][watermark_box]overlay=x={$this->dimensions['watermark']['x']}:y={$this->dimensions['watermark']['y']}:shortest=1[watermarked]",
        ];

        $watermark = config('MediaClipper')
            ->watermark;

        $videoClipCmd = [
            'ffmpeg -y',
            "-i {$this->soundbiteOutput}",
@@ -156,13 +157,13 @@ class VideoClip
            "-loop 1 -framerate 30 -i {$this->dimensions['soundwaves']['mask']}",
            "-f lavfi -i color=gray:{$this->dimensions['width']}x{$this->dimensions['height']}",
            "-f lavfi -i color=black:{$this->dimensions['width']}x{$this->dimensions['height']}",
            "-f lavfi -i color=0x{$this->colors['soundwaves']}:{$this->dimensions['width']}x{$this->dimensions['height']}",
            "-f lavfi -i color=white:{$this->dimensions['width']}x{$this->dimensions['height']}",
            "-loop 1 -framerate 1 -i {$watermark}",
            '-filter_complex "' . implode(';', $filters) . '"',
            '-map "[outv]"',
            '-map "[watermarked]"',
            '-map 0:a',
            '-acodec copy',
            '-vcodec libx264',
            '-pix_fmt yuv420p',
            '-vcodec libx264rgb',
            "{$this->videoClipOutput}",
        ];

@@ -306,10 +307,16 @@ class VideoClip
            return false;
        }

        imagefilter($quotes, IMG_FILTER_COLORIZE, ...$this->colors['quotes']);
        $cleanedQuotes = $this->cleanTransparency($quotes);

        if (! $cleanedQuotes) {
            return false;
        }
        imagefilter($cleanedQuotes, IMG_FILTER_CONTRAST, 255);
        imagefilter($cleanedQuotes, IMG_FILTER_COLORIZE, ...$this->colors['quotes']);

        $scaledQuotes = $this->scaleImage(
            $quotes,
            $cleanedQuotes,
            $this->dimensions['quotes']['width'],
            $this->dimensions['quotes']['height']
        );
@@ -318,6 +325,7 @@ class VideoClip
            return false;
        }

        imagesavealpha($scaledQuotes, true);
        $this->overlayImages(
            $background,
            $scaledQuotes,
@@ -570,6 +578,32 @@ class VideoClip
        return true;
    }

    /**
     * This helps getting a truly transparent background for images with transparency:
     * https://stackoverflow.com/a/2611911
     */
    private function cleanTransparency(GdImage $image): GdImage | false
    {
        $imageBg = imagecolorallocate($image, 0, 0, 0);
        if ($imageBg === false) {
            return false;
        }

        // removing the black from the image
        imagecolortransparent($image, $imageBg);

        // turning off alpha blending (to ensure alpha channel information
        // is preserved, rather than removed (blending with the rest of the
        // image in the form of black))
        imagealphablending($image, false);

        // turning on alpha channel information saving (to ensure the full range
        // of transparency is preserved)
        imagesavealpha($image, true);

        return $image;
    }

    /**
     * @return array<int, string>|false
     */
+2.74 KiB
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+3 −1
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@ class ColorRadioButton extends FormComponent
{
    protected bool $isChecked = false;

    protected string $style = '';

    public function setIsChecked(string $value): void
    {
        $this->isChecked = $value === 'true';
@@ -26,7 +28,7 @@ class ColorRadioButton extends FormComponent
        );

        return <<<HTML
            <div class="{$this->class}">
            <div class="{$this->class}" style="{$this->style}">
                {$radioInput}
                <label for="{$this->value}" title="{$this->slot}" data-tooltip="bottom"></label>
            </div>
+4 −3
Original line number Diff line number Diff line
@@ -29,12 +29,13 @@
</fieldset>

<div class="grid gap-4 grid-cols-colorButtons">
    <?php foreach (config('Colors')->themes as $themeName => $color): ?>
    <?php foreach (config('MediaClipper')->themes as $themeName => $colors): ?>
        <Forms.ColorRadioButton
        class="theme-<?= $themeName ?> mx-auto"
        class="mx-auto"
        value="<?= $themeName ?>"
        name="theme"
        isChecked="<?= $themeName === 'pine' ? 'true' : 'false' ?>" ><?= lang('Settings.theme.' . $themeName) ?></Forms.ColorRadioButton>
        isChecked="<?= $themeName === 'pine' ? 'true' : 'false' ?>"
        style="--color-accent-base: <?= $colors['preview']?>"><?= lang('Settings.theme.' . $themeName) ?></Forms.ColorRadioButton>
    <?php endforeach; ?>
</div>