[Videos] Video player - PR #1 - basic player (#4731)

* add ffmpeg-kit-react-native

* get select video button + compression working

* up res to 1080p

* add progress component

* move logic out of compressVideo

* (WIP) add lonestar compression

* rework web compression a bit

* mess around with adding a thumbnail

* 3mbps

* replace

* use 3mbps

* add expo-video

* remove unnecessary try/catch

* rm ToastAndroid

* fix web

* wrap lazy component in suspense

* gate video select button

* rm web compression

* flip sign

* remove expo-video from web

* review nits

* add video picker permissions + rm temp buttons

* add ffmpeg-kit-react-native

* replace

* hls-capable player

* start trying to hoist up video player instance

* hoist video player and move things around

* always show native controls

* fix controls on expo video android

* gate temp video player in feed

* rm IS_DEV, doesn't do what I thought it did

* use __DEV__ instead

---------

Co-authored-by: Samuel Newman <10959775+mozzius@users.noreply.github.com>
Co-authored-by: Hailey <me@haileyok.com>

src/view/com/util/post-embeds/VideoEmbedInner.web.tsx

@@ -0,0 +1,52 @@
+import React, {useEffect, useRef} from 'react'
+import Hls from 'hls.js'
+
+import {atoms as a} from '#/alf'
+
+export const VideoEmbedInner = ({source}: {source: string}) => {
+  const ref = useRef<HTMLVideoElement>(null)
+
+  // Use HLS.js to play HLS video
+  useEffect(() => {
+    if (ref.current) {
+      if (ref.current.canPlayType('application/vnd.apple.mpegurl')) {
+        ref.current.src = source
+      } else if (Hls.isSupported()) {
+        var hls = new Hls()
+        hls.loadSource(source)
+        hls.attachMedia(ref.current)
+      } else {
+        // TODO: fallback
+      }
+    }
+  }, [source])
+
+  useEffect(() => {
+    if (ref.current) {
+      const observer = new IntersectionObserver(
+        ([entry]) => {
+          if (ref.current) {
+            if (entry.isIntersecting) {
+              if (ref.current.paused) {
+                ref.current.play()
+              }
+            } else {
+              if (!ref.current.paused) {
+                ref.current.pause()
+              }
+            }
+          }
+        },
+        {threshold: 0},
+      )
+
+      observer.observe(ref.current)
+
+      return () => {
+        observer.disconnect()
+      }
+    }
+  }, [])
+
+  return <video ref={ref} style={a.flex_1} controls playsInline autoPlay loop />
+}