Make MP4 and WebM thumbs less BAD.

1 files changed, 14 insertions, 10 deletions

diff --git a/lib/booru/image_processing/webm_processor.rb b/lib/booru/image_processing/webm_processor.rb
index 3e3effb..d9cdd5c 100644
--- a/lib/booru/image_processing/webm_processor.rb
+++ b/lib/booru/image_processing/webm_processor.rb
@@ -29,16 +29,20 @@ module Booru
         width &= 4_294_967_294
         height &= 4_294_967_294
 
-        # generate webm thumb
-        ffmpeg  '-threads', '0',
-                '-y',
-                '-i', @original_path,
-                '-c:v', 'libvpx',
-                '-b:v', '1M',
-                '-crf', '10',
-                '-speed', '16',
-                '-vf', "scale=w=#{width}:h=#{height}:force_original_aspect_ratio=decrease",
-                destination_path
+        ffmpeg '-threads', '4',
+               '-y',
+               '-i', @original_path,
+               '-c:v', 'libvpx',
+               '-deadline', 'good',
+               '-cpu-used', '5',
+               '-auto-alt-ref', '0',
+               '-qmin', '15',
+               '-qmax', '35',
+               '-crf', '31',
+               '-vf', "scale=w=#{width}:h=#{height}:force_original_aspect_ratio=decrease",
+               '-max_muxing_queue_size', '4096',
+               '-slices', '8',
+               destination_path
       end
 
       def generate_full_version(destination_path)