diff options
Diffstat (limited to 'vp9/common/vp9_scale.h')
-rw-r--r-- | vp9/common/vp9_scale.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/vp9/common/vp9_scale.h b/vp9/common/vp9_scale.h index e3fcae1fc..827ae9bce 100644 --- a/vp9/common/vp9_scale.h +++ b/vp9/common/vp9_scale.h @@ -14,10 +14,9 @@ #include "vp9/common/vp9_mv.h" #include "vp9/common/vp9_convolve.h" -struct VP9Common; - #define VP9_REF_SCALE_SHIFT 14 #define VP9_REF_NO_SCALE (1 << VP9_REF_SCALE_SHIFT) +#define VP9_REF_INVALID_SCALE -1 struct scale_factors { int x_scale_fp; // horizontal fixed point scale factor @@ -35,11 +34,15 @@ struct scale_factors { convolve_fn_t predict[2][2][2]; // horiz, vert, avg }; -void vp9_setup_scale_factors_for_frame(struct VP9Common *cm, - struct scale_factors *scale, +void vp9_setup_scale_factors_for_frame(struct scale_factors *scale, int other_w, int other_h, int this_w, int this_h); +static int vp9_is_valid_scale(const struct scale_factors *sf) { + return sf->x_scale_fp != VP9_REF_INVALID_SCALE && + sf->y_scale_fp != VP9_REF_INVALID_SCALE; +} + static int vp9_is_scaled(const struct scale_factors *sf) { return sf->x_scale_fp != VP9_REF_NO_SCALE || sf->y_scale_fp != VP9_REF_NO_SCALE; |