From 25b7c847249c2b7f7b309b14eecb03dd024db649 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Tue, 10 Nov 2020 14:21:26 +0100
Subject: Try to optimize sha segments fetching

---
 client/src/app/+videos/+video-watch/video-watch.component.ts   | 2 ++
 client/src/assets/player/p2p-media-loader/segment-validator.ts | 9 ++++++---
 client/src/assets/player/peertube-player-manager.ts            | 4 +++-
 client/src/standalone/videos/embed.ts                          | 2 ++
 4 files changed, 13 insertions(+), 4 deletions(-)

(limited to 'client/src')

diff --git a/client/src/app/+videos/+video-watch/video-watch.component.ts b/client/src/app/+videos/+video-watch/video-watch.component.ts
index 48623cae0..66af9709d 100644
--- a/client/src/app/+videos/+video-watch/video-watch.component.ts
+++ b/client/src/app/+videos/+video-watch/video-watch.component.ts
@@ -771,6 +771,8 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
           : null,
         embedUrl: video.embedUrl,
 
+        isLive: video.isLive,
+
         language: this.localeId,
 
         userWatching: user && user.videosHistoryEnabled === true ? {
diff --git a/client/src/assets/player/p2p-media-loader/segment-validator.ts b/client/src/assets/player/p2p-media-loader/segment-validator.ts
index 9add35184..844956d6a 100644
--- a/client/src/assets/player/p2p-media-loader/segment-validator.ts
+++ b/client/src/assets/player/p2p-media-loader/segment-validator.ts
@@ -6,11 +6,14 @@ type SegmentsJSON = { [filename: string]: string | { [byterange: string]: string
 
 const maxRetries = 3
 
-function segmentValidatorFactory (segmentsSha256Url: string) {
+function segmentValidatorFactory (segmentsSha256Url: string, isLive: boolean) {
   let segmentsJSON = fetchSha256Segments(segmentsSha256Url)
   const regex = /bytes=(\d+)-(\d+)/
 
   return async function segmentValidator (segment: Segment, retry = 1) {
+    // Wait for hash generation from the server
+    if (isLive) await wait(1000)
+
     const filename = basename(segment.url)
 
     const segmentValue = (await segmentsJSON)[filename]
@@ -20,10 +23,10 @@ function segmentValidatorFactory (segmentsSha256Url: string) {
     }
 
     if (!segmentValue) {
-      await wait(1000)
-
       console.log('Refetching sha segments for %s.', filename)
 
+      await wait(1000)
+
       segmentsJSON = fetchSha256Segments(segmentsSha256Url)
       await segmentValidator(segment, retry + 1)
 
diff --git a/client/src/assets/player/peertube-player-manager.ts b/client/src/assets/player/peertube-player-manager.ts
index c1953043e..da23c59a7 100644
--- a/client/src/assets/player/peertube-player-manager.ts
+++ b/client/src/assets/player/peertube-player-manager.ts
@@ -98,6 +98,8 @@ export interface CommonOptions extends CustomizationOptions {
   videoViewUrl: string
   embedUrl: string
 
+  isLive: boolean
+
   language?: string
 
   videoCaptions: VideoJSCaption[]
@@ -323,7 +325,7 @@ export class PeertubePlayerManager {
     const p2pMediaLoaderConfig = {
       loader: {
         trackerAnnounce,
-        segmentValidator: segmentValidatorFactory(options.p2pMediaLoader.segmentsSha256Url),
+        segmentValidator: segmentValidatorFactory(options.p2pMediaLoader.segmentsSha256Url, options.common.isLive),
         rtcConfig: getRtcConfig(),
         requiredSegmentsPriority: 1,
         segmentUrlBuilder: segmentUrlBuilderFactory(redundancyUrlManager),
diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts
index 9b07ef5e6..66033158b 100644
--- a/client/src/standalone/videos/embed.ts
+++ b/client/src/standalone/videos/embed.ts
@@ -532,6 +532,8 @@ export class PeerTubeEmbed {
         inactivityTimeout: 2500,
         videoViewUrl: this.getVideoUrl(videoInfo.uuid) + '/views',
 
+        isLive: videoInfo.isLive,
+
         playerElement: this.playerElement,
         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 
-- 
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