feat(server): transcoding hardware acceleration (#3171)

* added transcode configs for nvenc,qsv and vaapi

* updated dev docker compose

* added software fallback

* working vaapi

* minor fixes and added tests

* updated api

* compile libvips

* move hwaccel settings to `hwaccel.yml`

* changed default dockerfile, moved `readdir` call

* removed unused import

* minor cleanup

* fix for arm build

* added documentation, minor fixes

* added intel driver

* updated docs

styling

* uppercase codec and api names

* formatting

* added tests

* updated docs

* removed semicolons

* added link to `hwaccel.yml`

* added newlines

* added `hwaccel` section to docker-compose.prod.yml

* ensure mesa drivers are installed

* switch to mimalloc for sharp

* moved build version and sha256 to json

* let libmfx set the render device

* possible fix for vp9 on qsv

* updated tests

* formatting

* review suggestions

* semicolon

* moved `LD_PRELOAD` to start script

* switched to jellyfin's ffmpeg package

* fixed dockerfile

* use cqp instead of icq for qsv vp9

* updated dockerfile

* added sha256sum for other platforms

* fixtures

mobile/openapi/.openapi-generator/FILES

@@ -113,6 +113,7 @@ doc/TagResponseDto.md
 doc/TagTypeEnum.md
 doc/ThumbnailFormat.md
 doc/TimeGroupEnum.md
+doc/TranscodeHWAccel.md
 doc/TranscodePolicy.md
 doc/UpdateAlbumDto.md
 doc/UpdateAssetDto.md
@@ -245,6 +246,7 @@ lib/model/tag_response_dto.dart
 lib/model/tag_type_enum.dart
 lib/model/thumbnail_format.dart
 lib/model/time_group_enum.dart
+lib/model/transcode_hw_accel.dart
 lib/model/transcode_policy.dart
 lib/model/update_album_dto.dart
 lib/model/update_asset_dto.dart
@@ -366,6 +368,7 @@ test/tag_response_dto_test.dart
 test/tag_type_enum_test.dart
 test/thumbnail_format_test.dart
 test/time_group_enum_test.dart
+test/transcode_hw_accel_test.dart
 test/transcode_policy_test.dart
 test/update_album_dto_test.dart
 test/update_asset_dto_test.dart