From cf2f88b38f0131644bb02df6a75ca36a342b4f7d Mon Sep 17 00:00:00 2001
From: Vincent Rabaud <vrabaud@google.com>
Date: Wed, 17 Jun 2020 12:49:25 +0200
Subject: [PATCH] Add palette and spatial for q >= 75 and -m 5

Change-Id: I12198b7eb82a4247e606bc60342595abf4d6eee0
---
 src/enc/vp8l_enc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/enc/vp8l_enc.c b/src/enc/vp8l_enc.c
index c04d3927..0b44ebe4 100644
--- a/src/enc/vp8l_enc.c
+++ b/src/enc/vp8l_enc.c
@@ -425,6 +425,15 @@ static int EncoderAnalyze(VP8LEncoder* const enc,
       // Only choose the guessed best transform.
       *crunch_configs_size = 1;
       crunch_configs[0].entropy_idx_ = min_entropy_ix;
+      if (config->quality >= 75 && method == 5) {
+        // Test with and without color cache.
+        do_no_cache = 1;
+        // If we have a palette, also check in combination with spatial.
+        if (min_entropy_ix == kPalette) {
+          *crunch_configs_size = 2;
+          crunch_configs[1].entropy_idx_ = kPaletteAndSpatial;
+        }
+      }
     }
   }
   // Fill in the different LZ77s.