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

server/immich-openapi-specs.json

@@ -4973,14 +4973,15 @@
         "type": "object"
       },
       "AssetStatsResponseDto": {
+        "type": "object",
         "properties": {
           "images": {
             "type": "integer"
           },
-          "total": {
+          "videos": {
             "type": "integer"
           },
-          "videos": {
+          "total": {
             "type": "integer"
           }
         },
@@ -4988,8 +4989,7 @@
           "images",
           "videos",
           "total"
-        ],
-        "type": "object"
+        ]
       },
       "AssetTypeEnum": {
         "enum": [
@@ -6547,6 +6547,9 @@
       },
       "SystemConfigFFmpegDto": {
         "properties": {
+          "accel": {
+            "$ref": "#/components/schemas/TranscodeHWAccel"
+          },
           "crf": {
             "type": "integer"
           },
@@ -6581,6 +6584,7 @@
           "targetVideoCodec",
           "targetAudioCodec",
           "transcode",
+          "accel",
           "preset",
           "targetResolution",
           "maxBitrate",
@@ -6809,6 +6813,15 @@
         ],
         "type": "string"
       },
+      "TranscodeHWAccel": {
+        "enum": [
+          "nvenc",
+          "qsv",
+          "vaapi",
+          "disabled"
+        ],
+        "type": "string"
+      },
       "TranscodePolicy": {
         "enum": [
           "all",