From f967d8be4dd7bc806d9b9c2d848cdadbe6752c16 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Tue, 7 Mar 2023 11:47:42 +0100
Subject: Fix live buffering with small latency

---
 .../player/shared/manager-options/hls-options-builder.ts       |  3 +--
 .../assets/player/shared/p2p-media-loader/segment-validator.ts | 10 +++-------
 2 files changed, 4 insertions(+), 9 deletions(-)

(limited to 'client/src/assets/player')

diff --git a/client/src/assets/player/shared/manager-options/hls-options-builder.ts b/client/src/assets/player/shared/manager-options/hls-options-builder.ts
index 63e9fa8c8..194991fa4 100644
--- a/client/src/assets/player/shared/manager-options/hls-options-builder.ts
+++ b/client/src/assets/player/shared/manager-options/hls-options-builder.ts
@@ -96,7 +96,6 @@ export class HLSOptionsBuilder {
 
         segmentValidator: segmentValidatorFactory({
           segmentsSha256Url: this.options.p2pMediaLoader.segmentsSha256Url,
-          isLive: this.options.common.isLive,
           authorizationHeader: this.options.common.authorizationHeader,
           requiresAuth: this.options.common.requiresAuth,
           serverUrl: this.options.common.serverUrl
@@ -129,7 +128,7 @@ export class HLSOptionsBuilder {
           ...base,
 
           useP2P: false,
-          httpDownloadProbability: 1
+          requiredSegmentsPriority: 10
         }
 
       case LiveVideoLatencyMode.HIGH_LATENCY:
diff --git a/client/src/assets/player/shared/p2p-media-loader/segment-validator.ts b/client/src/assets/player/shared/p2p-media-loader/segment-validator.ts
index 3c76d63f7..6e9bcf103 100644
--- a/client/src/assets/player/shared/p2p-media-loader/segment-validator.ts
+++ b/client/src/assets/player/shared/p2p-media-loader/segment-validator.ts
@@ -7,24 +7,20 @@ import { isSameOrigin } from '../common'
 
 type SegmentsJSON = { [filename: string]: string | { [byterange: string]: string } }
 
-const maxRetries = 3
+const maxRetries = 10
 
 function segmentValidatorFactory (options: {
   serverUrl: string
   segmentsSha256Url: string
-  isLive: boolean
   authorizationHeader: () => string
   requiresAuth: boolean
 }) {
-  const { serverUrl, segmentsSha256Url, isLive, authorizationHeader, requiresAuth } = options
+  const { serverUrl, segmentsSha256Url, authorizationHeader, requiresAuth } = options
 
   let segmentsJSON = fetchSha256Segments({ serverUrl, segmentsSha256Url, authorizationHeader, requiresAuth })
   const regex = /bytes=(\d+)-(\d+)/
 
   return async function segmentValidator (segment: Segment, _method: string, _peerId: string, retry = 1) {
-    // Wait for hash generation from the server
-    if (isLive) await wait(1000)
-
     const filename = basename(removeQueryParams(segment.url))
 
     const segmentValue = (await segmentsJSON)[filename]
@@ -36,7 +32,7 @@ function segmentValidatorFactory (options: {
     if (!segmentValue) {
       logger.info(`Refetching sha segments for ${filename}`)
 
-      await wait(1000)
+      await wait(500)
 
       segmentsJSON = fetchSha256Segments({ serverUrl, segmentsSha256Url, authorizationHeader, requiresAuth })
       await segmentValidator(segment, _method, _peerId, retry + 1)
-- 
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