Disable key frame filtering when encoding images

Disable key frame filtering when encoding still images.
AOMediaCodec · Mar 2, 2021 · 04e5341 · 04e5341
1 parent 4f40299
commit 04e5341
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/codec_aom.c b/src/codec_aom.c
@@ -591,6 +591,11 @@ static avifResult aomCodecEncodeImage(avifCodec * codec,
         if (aomCpuUsed != -1) {
             aom_codec_control(&codec->internal->encoder, AOME_SET_CPUUSED, aomCpuUsed);
         }
+        if (addImageFlags & AVIF_ADD_IMAGE_FLAG_SINGLE) {
+            // Disable temporal filtering on key frames, otherwise we will lose a good amount of compression
+            // performance.
+            aom_codec_control(&codec->internal->encoder, AV1E_SET_ENABLE_KEYFRAME_FILTERING, 0);
+        }
         if (!avifProcessAOMOptionsPostInit(codec)) {
             return AVIF_RESULT_INVALID_CODEC_SPECIFIC_OPTION;
         }