more stuff for better wuality hopefully

docker-compose.yml

@@ -24,10 +24,10 @@ services:
     volumes:
       - /mnt/user/plex:/media:ro
       - ./transcode-config.yaml:/app/config.yaml:ro
-      - transcode-cache-v3:/cache
+      - transcode-cache-v4:/cache
     ports:
       - "8090:8080"
     restart: unless-stopped
 
 volumes:
-  transcode-cache-v3:
+  transcode-cache-v4:

patches/go-transcode-vaapi.patch

@@ -82,7 +82,7 @@ index 9bbe037..c0297fe 100644
  	// Input specs
  	args = append(args, []string{
  		"-i", config.InputFilePath, // Input file
-@@ -89,14 +106,26 @@ func TranscodeSegments(ctx context.Context, ffmpegBinary string, config Transcod
+@@ -89,14 +106,30 @@ func TranscodeSegments(ctx context.Context, ffmpegBinary string, config Transcod
  			scale = fmt.Sprintf("scale=%d:-2", profile.Width)
  		}
  
@@ -105,7 +105,11 @@ index 9bbe037..c0297fe 100644
 +			}
 +			args = append(args, []string{
 +				"-vf", scale, "-c:v", "h264_vaapi", "-profile:v", "high",
-+				"-level:v", "4.0", "-b:v", fmt.Sprintf("%dk", profile.Bitrate),
++				"-level:v", "4.0", "-rc_mode", "VBR",
++				"-b:v", fmt.Sprintf("%dk", profile.Bitrate),
++				"-maxrate", fmt.Sprintf("%dk", profile.Bitrate*3/2),
++				"-bufsize", fmt.Sprintf("%dk", profile.Bitrate*2),
++				"-bf", "2", "-compression_level", "0",
 +			}...)
 +		} else {
 +			args = append(args, []string{