[Enhancement] Allow configuration of media container format (#383)

* Adds media container to media_profiles and updates option builder

* Added media container to media profile form

lib/pinchflat/downloading/download_option_builder.ex

@@ -127,11 +127,12 @@ defmodule Pinchflat.Downloading.DownloadOptionBuilder do
   defp quality_options(media_profile) do
     vcodec = Settings.get!(:video_codec_preference)
     acodec = Settings.get!(:audio_codec_preference)
+    container = media_profile.media_container
 
     case media_profile.preferred_resolution do
       # Also be aware that :audio disabled all embedding options for subtitles
       :audio ->
-        [:extract_audio, format_sort: "+acodec:#{acodec}"]
+        [:extract_audio, format_sort: "+acodec:#{acodec}", audio_format: container || "best"]
 
       resolution_atom ->
         {resolution_string, _} =
@@ -141,7 +142,7 @@ defmodule Pinchflat.Downloading.DownloadOptionBuilder do
 
         [
           # Since Plex doesn't support reading metadata from MKV
-          remux_video: "mp4",
+          remux_video: container || "mp4",
           format_sort: "res:#{resolution_string},+codec:#{vcodec}:#{acodec}"
         ]
     end

lib/pinchflat/profiles/media_profile.ex

@@ -27,6 +27,7 @@ defmodule Pinchflat.Profiles.MediaProfile do
     shorts_behaviour
     livestream_behaviour
     preferred_resolution
+    media_container
     redownload_delay_days
     marked_for_deletion_at
   )a
@@ -65,6 +66,7 @@ defmodule Pinchflat.Profiles.MediaProfile do
     field :shorts_behaviour, Ecto.Enum, values: ~w(include exclude only)a, default: :include
     field :livestream_behaviour, Ecto.Enum, values: ~w(include exclude only)a, default: :include
     field :preferred_resolution, Ecto.Enum, values: ~w(4320p 2160p 1080p 720p 480p 360p audio)a, default: :"1080p"
+    field :media_container, :string, default: nil
 
     field :marked_for_deletion_at, :utc_datetime