WWDC18 - Videos - Apple Developer
Collections Accessibility & Inclusion App Services Design Developer Tools Swift Platforms iOS macOS tvOS visionOS watchOS Accessibility & Inclusion 40:30 Deliver an Exceptional Accessibility Experience WWDC 2018 iOS, macOS, tvOS, watchOS Go beyond the basics and create apps with an exceptional accessibility experience. Learn how to design elements that appear in your app for maximum clarity and ac
HLS Latency Sucks, But Here's How to Fix It
Understanding the HLS Protocol Like other egress streaming protocols, HLS transports audio and visual media from a media server through last-mile delivery to a playback device. HLS breaks this media up into a series of streaming segments, each compressed separately and sent in a consistent stream for smooth delivery. Other streaming protocols, like Dynamic Adaptive Streaming Over HTTP (MPEG-DASH),
HTTP Live Streaming (HLS) - Apple Developer
HTTP Live Streaming Send live and onâ€demand audio and video to iPhone, iPad, Mac, Apple Watch, Apple TV, and PC with HTTP Live Streaming (HLS) technology from Apple. Using the same protocol that powers the web, HLS lets you deploy content using ordinary web servers and content delivery networks. HLS is designed for reliability and dynamically adapts to network conditions by optimizing playback for
YouTube ㌠WebRTC é…ä¿¡ã«å¯¾å¿œã—ãŸ
Today we're making it easier to go live and interact with your community from your computer and phone. First, if you've… YouTube ㌠WebRTC を利用ã—ãŸé…ä¿¡ã«å¯¾å¿œã—ãŸã€‚ã¤ã¾ã‚Šä»Šã¾ã§ YouTube ã§é…ä¿¡ã™ã‚‹ã«ã¯ä½•ã‹ã—らã®ãƒ„ールãŒå¿…è¦ã ã£ãŸãŒã€WebRTC を利用ã—ãŸé…信機能を使ã†ã“ã¨ã§ãƒ–ラウザã¨ã‚¦ã‚§ãƒ–カメラã ã‘ã‚ã‚Œã°é…ä¿¡ãŒã§ãるよã†ã«ãªã‚‹ã€‚ ãã†ã€ã¤ã¾ã‚Š pixiv Sketch Live ãŒå®Ÿç¾ã—ãŸã‚ã®æ‰‹è»½ãªé…信㌠YouTube ã§ã‚‚å¯èƒ½ã«ãªã£ãŸã€‚ãŸã ã€ã¾ã ç”»é¢å…±æœ‰ã«é–¢ã—ã¦ã¯ã¾ã ã§ããªã•ãã†ã 。 é…信者ã¯ãƒ–ラウザã‹ã‚‰é…ä¿¡ã—ã¦ã€ã‚ã¨ã¯ YouTube ㌠HLS ã‚„ MPEG-DASH ã«å¤‰æ›ã—ã¦ãれるã®ã§ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“リティを気ã«ã™ã‚‹å¿…è¦ã¯ãªã„。もã¡ã‚ã‚“
Apple HLS æœ€æ–°æƒ…å ±ã‚ャッãƒã‚¢ãƒƒãƒ— #WWDC2017 - Qiita
$ curl https://devstreaming-cdn.apple.com/videos/wwdc/2017/504op4c3001w2f222/504/hls_vod_mvp.m3u8 | head #EXTM3U #EXT-X-VERSION:4 #EXT-X-STREAM-INF:BANDWIDTH=1096572,AVERAGE-BANDWIDTH=1096572,CODECS="avc1.77.30,mp4a.40.2",RESOLUTION=640x360 0640/0640.m3u8 #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=548286,AVERAGE-BANDWIDTH=548286,CODECS="avc1.77.30,mp4a.40.2",RESOLUTION=640x360,URI="0640/0640_I-Frame.m3u8
HTTP Live Streamingã§å‹•ç”»ã‚’é…ä¿¡ã—ã¦ã¿ã‚‹ | DevelopersIO
å‚考：動画é…信プラットフォームon AWS 2014.05.22 Amazon Data Service Japan 上図ã®ä¸ã® HLSãŒHTTP Live Streamingã§ã™ã€‚ HTTPストリーミングã®é…信技術ã§ã€å…¨ã¦ã®ãƒ—ラットフォームã«å¯¾å¿œã—ã¦ã„ã‚‹ã¨è¨€ãˆã¾ã™ã€‚ (注1) QuickTime Player 10以上やã€ã‚‹Microsoft Edge（Windows10）ã§å†ç”Ÿå¯èƒ½ã§ã™ã€‚InternetExplorerã§ã¯å†ç”Ÿã§ãã¾ã›ã‚“。 3 æ§‹æˆ HTTP Live Streamingã®æ§‹æˆã¯ã€æ¬¡ã®å›³ã§è¡¨ç¾ã§ãã¾ã™ã€‚ iPhoneãªã©ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¯ã€Webサーãƒã«é…ç½®ã•ã‚ŒãŸå‹•ç”»ãƒ•ã‚¡ã‚¤ãƒ«ã«HTTP(HTTPS)ã§ã‚¢ã‚¯ã‚»ã‚¹ã—ã¾ã™ï¼ˆâ‘ ）。 Webサーãƒä¸Šã®å‹•ç”»ãƒ•ã‚¡ã‚¤ãƒ«ã¯ã€ãƒ¡ãƒ†ã‚™ã‚£ã‚¢ã‚»ã‚¯ã‚™ãƒ¡ãƒ³ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ï¼ˆ.ts MPEG-2トランスポートストリームファイル)ã¨ã€ã‚¤ãƒ³ãƒ†ã‚™ãƒƒã‚¯ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ï¼ˆ
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HTTP Live Streaming 2nd Edition
https://developer.apple.com/streaming/HLS-WWDC-2017-Preliminary-Spec.pdf
GitHub - globocom/m3u8: Python m3u8 Parser for HTTP Live Streaming (HLS) Transmissions
1.0 Introduction
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