Increase max bitrate of converted webms, slightly optimized counter queries

(Because postgres can tell that count(*) needs no extra checks, but
counting a specific column requires them)

app/controllers/api_controller.rb

@@ -102,14 +102,14 @@ class ApiController < ApplicationController
 
   def set_counters_maps(statuses) # rubocop:disable Style/AccessorMethodName
     status_ids             = statuses.compact.map { |s| s.reblog? ? s.reblog_of_id : s.id }.uniq
-    @favourites_counts_map = Favourite.select('status_id, COUNT(id) AS favourites_count').group('status_id').where(status_id: status_ids).map { |f| [f.status_id, f.favourites_count] }.to_h
-    @reblogs_counts_map    = Status.select('statuses.id, COUNT(reblogs.id) AS reblogs_count').joins('LEFT OUTER JOIN statuses AS reblogs ON statuses.id = reblogs.reblog_of_id').where(id: status_ids).group('statuses.id').map { |r| [r.id, r.reblogs_count] }.to_h
+    @favourites_counts_map = Favourite.select('status_id, COUNT(*) AS favourites_count').group('status_id').where(status_id: status_ids).map { |f| [f.status_id, f.favourites_count] }.to_h
+    @reblogs_counts_map    = Status.select('statuses.id, COUNT(*) AS reblogs_count').joins('LEFT OUTER JOIN statuses AS reblogs ON statuses.id = reblogs.reblog_of_id').where(id: status_ids).group('statuses.id').map { |r| [r.id, r.reblogs_count] }.to_h
   end
 
   def set_account_counters_maps(accounts) # rubocop:disable Style/AccessorMethodName
     account_ids = accounts.compact.map(&:id).uniq
-    @followers_counts_map = Follow.unscoped.select('target_account_id, COUNT(account_id) AS followers_count').group('target_account_id').where(target_account_id: account_ids).map { |f| [f.target_account_id, f.followers_count] }.to_h
-    @following_counts_map = Follow.unscoped.select('account_id, COUNT(target_account_id) AS following_count').group('account_id').where(account_id: account_ids).map { |f| [f.account_id, f.following_count] }.to_h
-    @statuses_counts_map  = Status.unscoped.select('account_id, COUNT(id) AS statuses_count').group('account_id').where(account_id: account_ids).map { |s| [s.account_id, s.statuses_count] }.to_h
+    @followers_counts_map = Follow.unscoped.select('target_account_id, COUNT(*) AS followers_count').group('target_account_id').where(target_account_id: account_ids).map { |f| [f.target_account_id, f.followers_count] }.to_h
+    @following_counts_map = Follow.unscoped.select('account_id, COUNT(*) AS following_count').group('account_id').where(account_id: account_ids).map { |f| [f.account_id, f.following_count] }.to_h
+    @statuses_counts_map  = Status.unscoped.select('account_id, COUNT(*) AS statuses_count').group('account_id').where(account_id: account_ids).map { |s| [s.account_id, s.statuses_count] }.to_h
   end
 end

app/models/media_attachment.rb

@@ -64,7 +64,7 @@ class MediaAttachment < ApplicationRecord
               output: {
                 'c:v'   => 'libvpx',
                 'crf'   => 4,
-                'b:v'   => '500K',
+                'b:v'   => '1300K',
                 'vsync' => 'cfr',
               },
             },