daffy0208/ai-dev-standards3 files

Video Producer

Expert in video playback, streaming, and video player customization

Specification
Skill ID
daffy0208/ai-dev-standards/video-producer
Publisher
daffy0208
Repository
ai-dev-standards
Installs
0
Files
3
Synced
Sep 23, 2026
How to use it

Open any RiverX project, open the Skills panel in the chat, and search for this identifier. The files are fetched from the source repository at install time.

daffy0208/ai-dev-standards/video-producerInstalls these files
  • README.md
  • SKILL.md
  • manifest.yaml

What this skill tells the agent

Video Producer Skill

I help you build video players, handle video streaming, and create engaging video experiences.

What I Do

Video Playback:

  • Custom video players with controls
  • Adaptive bitrate streaming (HLS, DASH)
  • Picture-in-picture mode
  • Fullscreen support

Video Features:

  • Subtitles and captions
  • Quality selection
  • Playback speed control
  • Thumbnail previews

Streaming:

  • Live video streaming
  • Video on demand (VOD)
  • Progressive download
  • Adaptive streaming

Custom Video Player

// 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>
  )
}

HLS Streaming (Adaptive Bitrate)

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" />
}

Picture-in-Picture

// 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>
  )
}

Subtitles/Captions

// 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:

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