Turn off bgsprite depending on firstpass metrics.
Changes:
- Add block size define.
- Set default to mean filtering.
- Add flag in AV1_COMP for bgsprite.
- Determine to use bgsprite or not based on firstpass metrics in
define_gf_group.
- Add outlier removal for bgsprite mean blending (off by default)
Results:
lowres: -0.009 avg_psnr, -0.029 ovr_psnr, -0.102 ssim
Clips with maximum gain:
- brdige_far_cif: -2.071 avg_psnr, -2.409 ovr_psnr, -1.977 ssim
- deadline_cif: -0.148 avg_psnr, -0.137 ovr_psnr, -0.113 ssim
- brdige_close_cif: +1.741 avg_psnr, -0.258 ovr_psnr, -2.534 ssim
Change-Id: I809406020f7786e49cc80329511e22d25379d7a2
diff --git a/av1/encoder/encoder.h b/av1/encoder/encoder.h
index e081012..8239f30 100644
--- a/av1/encoder/encoder.h
+++ b/av1/encoder/encoder.h
@@ -599,6 +599,10 @@
int extra_arf_allowed;
int bwd_ref_allowed;
#endif // CONFIG_EXT_REFS
+
+#if CONFIG_BGSPRITE
+ int bgsprite_allowed;
+#endif // CONFIG_BGSPRITE
} AV1_COMP;
void av1_initialize_enc(void);
