shithub: dav1d

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Use smaller data types for wiener filter coefficients

Reduces memory usage by 96 bytes per sb.

--- a/src/lf_mask.h

+++ b/src/lf_mask.h

@@ -41,8 +41,8 @@

 typedef struct Av1RestorationUnit {

     enum Dav1dRestorationType type;

-    int16_t filter_h[3];

-    int16_t filter_v[3];

+    int8_t filter_h[3];

+    int8_t filter_v[3];

     uint8_t sgr_idx;

     int16_t sgr_weights[2];

 } Av1RestorationUnit;