feat(server): video streaming table definitions (#28147)

* video streaming table definitions

Co-authored-by: Copilot <copilot@github.com>

* update sql

* tetris

* use enum

Co-authored-by: Copilot <copilot@github.com>

* fix column name

---------

Co-authored-by: Copilot <copilot@github.com>

server/src/schema/tables/video-stream.table.ts

@@ -0,0 +1,63 @@
+import {
+  Column,
+  CreateDateColumn,
+  ForeignKeyColumn,
+  Generated,
+  Index,
+  PrimaryColumn,
+  PrimaryGeneratedColumn,
+  Table,
+  Timestamp,
+} from '@immich/sql-tools';
+import { VideoSegmentCodec } from 'src/enum';
+import { video_stream_variant_codec_enum } from 'src/schema/enums';
+import { AssetTable } from 'src/schema/tables/asset.table';
+
+@Table('video_stream_session')
+export class VideoStreamSessionTable {
+  @PrimaryGeneratedColumn()
+  id!: Generated<string>;
+
+  @ForeignKeyColumn(() => AssetTable, { onDelete: 'CASCADE' })
+  assetId!: string;
+
+  @Column({ type: 'timestamp with time zone', index: true })
+  expiresAt!: Timestamp;
+
+  @CreateDateColumn()
+  createdAt!: Generated<Timestamp>;
+}
+
+@Index({ columns: ['sessionId', 'bitrate', 'resolution', 'codec'], unique: true })
+@Table('video_stream_variant')
+export class VideoStreamVariantTable {
+  @PrimaryGeneratedColumn()
+  id!: Generated<string>;
+
+  @ForeignKeyColumn(() => VideoStreamSessionTable, { onDelete: 'CASCADE', index: false })
+  sessionId!: string;
+
+  @CreateDateColumn()
+  createdAt!: Generated<Timestamp>;
+
+  @Column({ type: 'integer' })
+  bitrate!: number;
+
+  @Column({ enum: video_stream_variant_codec_enum })
+  codec!: VideoSegmentCodec;
+
+  @Column({ type: 'smallint' })
+  resolution!: number;
+}
+
+@Table('video_stream_segment')
+export class VideoStreamSegmentTable {
+  @ForeignKeyColumn(() => VideoStreamVariantTable, { onDelete: 'CASCADE', primary: true, index: false })
+  variantId!: string;
+
+  @PrimaryColumn({ type: 'integer' })
+  index!: number;
+
+  @Column({ type: 'integer' })
+  durationUs!: number;
+}