feat(server): advanced settings for transcoding (#3775)

* set stream with `-map` flag

* updated tests

* fixed audio stream mapping

* added bframe setting to config

* updated api

* added b-frame option in dashboard

* updated tests and formatting

* "Advanced" section for FFmpeg with extra options

* updated api

* updated tests and formatting

* styling

* made vp9 bitstream filters conditional on b-frames

* fixed gop size condition

* add cq override

* simplified isEdited conditions

* simplified conditional flow for cq mode

* fixed dto

* clarified cq mode in description

* formatting

* added npl setting

* Adjusted b-frame title and description

* fixed rebase

* changed defaults for pascal compatibility, added temporal aq setting

* updated api

* added temporal aq to ui

* polished dashboard

* formatting

mobile/openapi/doc/CQMode.md

@@ -0,0 +1,14 @@
+# openapi.model.CQMode
+
+## Load the model package
+```dart
+import 'package:openapi/api.dart';
+```
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

mobile/openapi/doc/SystemConfigFFmpegDto.md

@@ -9,12 +9,18 @@ import 'package:openapi/api.dart';
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **accel** | [**TranscodeHWAccel**](TranscodeHWAccel.md) |  | 
+**bframes** | **int** |  | 
+**cqMode** | [**CQMode**](CQMode.md) |  | 
 **crf** | **int** |  | 
+**gopSize** | **int** |  | 
 **maxBitrate** | **String** |  | 
+**npl** | **int** |  | 
 **preset** | **String** |  | 
+**refs** | **int** |  | 
 **targetAudioCodec** | [**AudioCodec**](AudioCodec.md) |  | 
 **targetResolution** | **String** |  | 
 **targetVideoCodec** | [**VideoCodec**](VideoCodec.md) |  | 
+**temporalAQ** | **bool** |  | 
 **threads** | **int** |  | 
 **tonemap** | [**ToneMapping**](ToneMapping.md) |  | 
 **transcode** | [**TranscodePolicy**](TranscodePolicy.md) |  |