From daffy0208-ai-dev-standards
Expert in video playback, streaming, and video player customization
npx claudepluginhub joshuarweaver/cascade-content-creation-misc-1 --plugin daffy0208-ai-dev-standardsThis skill uses the workspace's default tool permissions.
I help you build video players, handle video streaming, and create engaging video experiences.
Creates isolated Git worktrees for feature branches with prioritized directory selection, gitignore safety checks, auto project setup for Node/Python/Rust/Go, and baseline verification.
Executes implementation plans in current session by dispatching fresh subagents per independent task, with two-stage reviews: spec compliance then code quality.
Dispatches parallel agents to independently tackle 2+ tasks like separate test failures or subsystems without shared state or dependencies.
I help you build video players, handle video streaming, and create engaging video experiences.
Video Playback:
Video Features:
Streaming:
// components/VideoPlayer.tsx
'use client'
import { useRef, useState, useEffect } from 'react'
interface VideoPlayerProps {
src: string
poster?: string
title?: string
}
export function VideoPlayer({ src, poster, title }: VideoPlayerProps) {
const videoRef = useRef<HTMLVideoElement>(null)
const [playing, setPlaying] = useState(false)
const [currentTime, setCurrentTime] = useState(0)
const [duration, setDuration] = useState(0)
const [volume, setVolume] = useState(1)
const [fullscreen, setFullscreen] = useState(false)
const [showControls, setShowControls] = useState(true)
useEffect(() => {
const video = videoRef.current
if (!video) return
const updateTime = () => setCurrentTime(video.currentTime)
const updateDuration = () => setDuration(video.duration)
const handleEnded = () => setPlaying(false)
video.addEventListener('timeupdate', updateTime)
video.addEventListener('loadedmetadata', updateDuration)
video.addEventListener('ended', handleEnded)
return () => {
video.removeEventListener('timeupdate', updateTime)
video.removeEventListener('loadedmetadata', updateDuration)
video.removeEventListener('ended', handleEnded)
}
}, [])
const togglePlay = () => {
if (!videoRef.current) return
if (playing) {
videoRef.current.pause()
} else {
videoRef.current.play()
}
setPlaying(!playing)
}
const handleSeek = (e: React.ChangeEvent<HTMLInputElement>) => {
const time = parseFloat(e.target.value)
setCurrentTime(time)
if (videoRef.current) {
videoRef.current.currentTime = time
}
}
const handleVolumeChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const vol = parseFloat(e.target.value)
setVolume(vol)
if (videoRef.current) {
videoRef.current.volume = vol
}
}
const toggleFullscreen = () => {
if (!videoRef.current) return
if (!fullscreen) {
videoRef.current.requestFullscreen()
} else {
document.exitFullscreen()
}
setFullscreen(!fullscreen)
}
const formatTime = (seconds: number) => {
const mins = Math.floor(seconds / 60)
const secs = Math.floor(seconds % 60)
return `${mins}:${secs.toString().padStart(2, '0')}`
}
return (
<div
className="relative bg-black rounded-lg overflow-hidden"
onMouseEnter={() => setShowControls(true)}
onMouseLeave={() => setShowControls(playing ? false : true)}
>
{title && (
<div className="absolute top-0 left-0 right-0 p-4 bg-gradient-to-b from-black/70 to-transparent z-10">
<h3 className="text-white font-semibold">{title}</h3>
</div>
)}
<video
ref={videoRef}
src={src}
poster={poster}
onClick={togglePlay}
className="w-full"
/>
{showControls && (
<div className="absolute bottom-0 left-0 right-0 p-4 bg-gradient-to-t from-black/70 to-transparent">
{/* Progress Bar */}
<input
type="range"
min="0"
max={duration || 0}
value={currentTime}
onChange={handleSeek}
className="w-full mb-2"
/>
<div className="flex items-center gap-4">
{/* Play/Pause */}
<button
onClick={togglePlay}
className="text-white text-2xl hover:scale-110 transition"
>
{playing ? '⏸️' : '▶️'}
</button>
{/* Time */}
<span className="text-white text-sm">
{formatTime(currentTime)} / {formatTime(duration)}
</span>
{/* Volume */}
<div className="flex items-center gap-2">
<span className="text-white">🔊</span>
<input
type="range"
min="0"
max="1"
step="0.1"
value={volume}
onChange={handleVolumeChange}
className="w-20"
/>
</div>
<div className="flex-1" />
{/* Fullscreen */}
<button
onClick={toggleFullscreen}
className="text-white hover:scale-110 transition"
>
{fullscreen ? '⬛' : '⬜'}
</button>
</div>
</div>
)}
</div>
)
}
npm install hls.js
// components/HLSPlayer.tsx
'use client'
import { useEffect, useRef } from 'react'
import Hls from 'hls.js'
export function HLSPlayer({ src }: { src: string }) {
const videoRef = useRef<HTMLVideoElement>(null)
useEffect(() => {
const video = videoRef.current
if (!video) return
if (Hls.isSupported()) {
const hls = new Hls({
enableWorker: true,
lowLatencyMode: true
})
hls.loadSource(src)
hls.attachMedia(video)
hls.on(Hls.Events.MANIFEST_PARSED, () => {
console.log('HLS manifest loaded, quality levels:', hls.levels)
})
hls.on(Hls.Events.ERROR, (event, data) => {
console.error('HLS error:', data)
if (data.fatal) {
switch (data.type) {
case Hls.ErrorTypes.NETWORK_ERROR:
hls.startLoad()
break
case Hls.ErrorTypes.MEDIA_ERROR:
hls.recoverMediaError()
break
default:
hls.destroy()
break
}
}
})
return () => {
hls.destroy()
}
} else if (video.canPlayType('application/vnd.apple.mpegurl')) {
// Native HLS support (Safari)
video.src = src
}
}, [src])
return <video ref={videoRef} controls className="w-full" />
}
// components/PIPVideoPlayer.tsx
'use client'
import { useRef, useState } from 'react'
export function PIPVideoPlayer({ src }: { src: string }) {
const videoRef = useRef<HTMLVideoElement>(null)
const [pipActive, setPipActive] = useState(false)
const togglePIP = async () => {
if (!videoRef.current) return
try {
if (!pipActive) {
await videoRef.current.requestPictureInPicture()
setPipActive(true)
} else {
await document.exitPictureInPicture()
setPipActive(false)
}
} catch (error) {
console.error('PIP error:', error)
}
}
return (
<div>
<video ref={videoRef} src={src} controls className="w-full" />
<button
onClick={togglePIP}
className="mt-4 px-4 py-2 bg-blue-600 text-white rounded"
>
{pipActive ? 'Exit PIP' : 'Enter PIP'}
</button>
</div>
)
}
// components/VideoWithSubtitles.tsx
'use client'
export function VideoWithSubtitles() {
return (
<video controls className="w-full">
<source src="/video.mp4" type="video/mp4" />
<track
kind="subtitles"
src="/subtitles/en.vtt"
srcLang="en"
label="English"
default
/>
<track
kind="subtitles"
src="/subtitles/es.vtt"
srcLang="es"
label="Español"
/>
<track
kind="subtitles"
src="/subtitles/fr.vtt"
srcLang="fr"
label="Français"
/>
</video>
)
}
VTT Subtitle File:
WEBVTT
00:00:00.000 --> 00:00:02.000
Hello, welcome to our video.
00:00:02.500 --> 00:00:05.000
Today we'll learn about web development.
00:00:05.500 --> 00:00:08.000
Let's get started!
// components/QualitySelector.tsx
'use client'
import { useState } from 'react'
const qualities = [
{ label: '1080p', src: '/video-1080p.mp4' },
{ label: '720p', src: '/video-720p.mp4' },
{ label: '480p', src: '/video-480p.mp4' },
{ label: '360p', src: '/video-360p.mp4' }
]
export function QualitySelector() {
const [currentQuality, setCurrentQuality] = useState(qualities[1])
return (
<div>
<video src={currentQuality.src} controls className="w-full" />
<div className="mt-4">
<label className="mr-2">Quality:</label>
<select
value={currentQuality.label}
onChange={(e) => {
const quality = qualities.find(q => q.label === e.target.value)
if (quality) setCurrentQuality(quality)
}}
className="px-4 py-2 border rounded"
>
{qualities.map((q) => (
<option key={q.label} value={q.label}>
{q.label}
</option>
))}
</select>
</div>
</div>
)
}
// components/PlaybackSpeed.tsx
'use client'
import { useRef, useState } from 'react'
const speeds = [0.5, 0.75, 1, 1.25, 1.5, 2]
export function PlaybackSpeed({ src }: { src: string }) {
const videoRef = useRef<HTMLVideoElement>(null)
const [speed, setSpeed] = useState(1)
const handleSpeedChange = (newSpeed: number) => {
setSpeed(newSpeed)
if (videoRef.current) {
videoRef.current.playbackRate = newSpeed
}
}
return (
<div>
<video ref={videoRef} src={src} controls className="w-full" />
<div className="mt-4 flex gap-2">
<span>Speed:</span>
{speeds.map((s) => (
<button
key={s}
onClick={() => handleSpeedChange(s)}
className={`px-3 py-1 rounded ${
speed === s ? 'bg-blue-600 text-white' : 'bg-gray-200'
}`}
>
{s}x
</button>
))}
</div>
</div>
)
}
// components/VideoThumbnailPreview.tsx
'use client'
import { useState } from 'react'
export function VideoThumbnailPreview({ videoSrc }: { videoSrc: string }) {
const [thumbnailTime, setThumbnailTime] = useState(0)
const handleProgressHover = (e: React.MouseEvent<HTMLDivElement>) => {
const rect = e.currentTarget.getBoundingClientRect()
const percent = (e.clientX - rect.left) / rect.width
// Assuming 60 second video
setThumbnailTime(percent * 60)
}
return (
<div className="relative">
<div
onMouseMove={handleProgressHover}
className="h-2 bg-gray-300 rounded cursor-pointer relative"
>
{/* Thumbnail preview */}
<div
className="absolute bottom-4 -translate-x-1/2 pointer-events-none"
style={{ left: `${(thumbnailTime / 60) * 100}%` }}
>
<video
src={videoSrc}
className="w-40 h-24 object-cover rounded shadow-lg"
muted
currentTime={thumbnailTime}
/>
<span className="block text-center text-sm mt-1">
{Math.floor(thumbnailTime)}s
</span>
</div>
</div>
<video src={videoSrc} controls className="w-full mt-4" />
</div>
)
}
// components/VideoUpload.tsx
'use client'
import { useState } from 'react'
export function VideoUpload() {
const [uploading, setUploading] = useState(false)
const [progress, setProgress] = useState(0)
const [videoURL, setVideoURL] = useState<string | null>(null)
const handleUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0]
if (!file) return
setUploading(true)
setProgress(0)
const formData = new FormData()
formData.append('video', file)
const xhr = new XMLHttpRequest()
xhr.upload.addEventListener('progress', (e) => {
if (e.lengthComputable) {
const percentComplete = (e.loaded / e.total) * 100
setProgress(percentComplete)
}
})
xhr.addEventListener('load', () => {
if (xhr.status === 200) {
const response = JSON.parse(xhr.responseText)
setVideoURL(response.url)
}
setUploading(false)
})
xhr.open('POST', '/api/upload/video')
xhr.send(formData)
}
return (
<div>
<input
type="file"
accept="video/*"
onChange={handleUpload}
disabled={uploading}
className="mb-4"
/>
{uploading && (
<div className="mb-4">
<div className="h-2 bg-gray-200 rounded overflow-hidden">
<div
className="h-full bg-blue-600 transition-all"
style={{ width: `${progress}%` }}
/>
</div>
<p className="text-sm text-gray-600 mt-1">
Uploading: {Math.round(progress)}%
</p>
</div>
)}
{videoURL && (
<video src={videoURL} controls className="w-full" />
)}
</div>
)
}
Perfect for:
I'll help you:
🎥 Custom Video Players
📺 HLS/Adaptive Streaming
📝 Subtitles & Captions
⚙️ Quality Selection
⏩ Playback Speed Control
🖼️ Picture-in-Picture
Let's create amazing video experiences!