2 files changed, 43 insertions, 3 deletions

diff --git a/server/models/video/video-file.ts b/server/models/video/video-file.ts
index b861b0704..c14d96bc5 100644
--- a/server/models/video/video-file.ts
+++ b/server/models/video/video-file.ts
@@ -23,6 +23,7 @@ import { throwIfNotValid } from '../utils'
 import { VideoModel } from './video'
 import * as Sequelize from 'sequelize'
 import { VideoRedundancyModel } from '../redundancy/video-redundancy'
+import { VideoStreamingPlaylistModel } from './video-streaming-playlist'
 
 @Table({
   tableName: 'videoFile',
@@ -120,6 +121,29 @@ export class VideoFileModel extends Model<VideoFileModel> {
     return VideoFileModel.findByPk(id, options)
   }
 
+  static listByStreamingPlaylist (streamingPlaylistId: number, transaction: Sequelize.Transaction) {
+    const query = {
+      include: [
+        {
+          model: VideoModel.unscoped(),
+          required: true,
+          include: [
+            {
+              model: VideoStreamingPlaylistModel.unscoped(),
+              required: true,
+              where: {
+                id: streamingPlaylistId
+              }
+            }
+          ]
+        }
+      ],
+      transaction
+    }
+
+    return VideoFileModel.findAll(query)
+  }
+
   static async getStats () {
     let totalLocalVideoFilesSize = await VideoFileModel.sum('size', {
       include: [
diff --git a/server/models/video/video-streaming-playlist.ts b/server/models/video/video-streaming-playlist.ts
index b147aca36..0333755c5 100644
--- a/server/models/video/video-streaming-playlist.ts
+++ b/server/models/video/video-streaming-playlist.ts
@@ -6,7 +6,7 @@ import * as Sequelize from 'sequelize'
 import { VideoRedundancyModel } from '../redundancy/video-redundancy'
 import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
-import { CONSTRAINTS_FIELDS, STATIC_PATHS } from '../../initializers'
+import { CONSTRAINTS_FIELDS, STATIC_PATHS, P2P_MEDIA_LOADER_PEER_VERSION } from '../../initializers'
 import { VideoFileModel } from './video-file'
 import { join } from 'path'
 import { sha1 } from '../../helpers/core-utils'
@@ -50,6 +50,10 @@ export class VideoStreamingPlaylistModel extends Model<VideoStreamingPlaylistMod
   p2pMediaLoaderInfohashes: string[]
 
   @AllowNull(false)
+  @Column
+  p2pMediaLoaderPeerVersion: number
+
+  @AllowNull(false)
   @Is('VideoStreamingSegmentsSha256Url', value => throwIfNotValid(value, isActivityPubUrlValid, 'segments sha256 url'))
   @Column
   segmentsSha256Url: string
@@ -92,14 +96,26 @@ export class VideoStreamingPlaylistModel extends Model<VideoStreamingPlaylistMod
   static buildP2PMediaLoaderInfoHashes (playlistUrl: string, videoFiles: VideoFileModel[]) {
     const hashes: string[] = []
 
-    // https://github.com/Novage/p2p-media-loader/blob/master/p2p-media-loader-core/lib/p2p-media-manager.ts#L97
+    // https://github.com/Novage/p2p-media-loader/blob/master/p2p-media-loader-core/lib/p2p-media-manager.ts#L115
     for (let i = 0; i < videoFiles.length; i++) {
-      hashes.push(sha1(`1${playlistUrl}+V${i}`))
+      hashes.push(sha1(`${P2P_MEDIA_LOADER_PEER_VERSION}${playlistUrl}+V${i}`))
     }
 
     return hashes
   }
 
+  static listByIncorrectPeerVersion () {
+    const query = {
+      where: {
+        p2pMediaLoaderPeerVersion: {
+          [Sequelize.Op.ne]: P2P_MEDIA_LOADER_PEER_VERSION
+        }
+      }
+    }
+
+    return VideoStreamingPlaylistModel.findAll(query)
+  }
+
   static loadWithVideo (id: number) {
     const options = {
       include: [