diff options
Diffstat (limited to 'third_party/aom/av1/common/resize.h')
| -rw-r--r-- | third_party/aom/av1/common/resize.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/resize.h b/third_party/aom/av1/common/resize.h index d573a538bf..de71f5d539 100644 --- a/third_party/aom/av1/common/resize.h +++ b/third_party/aom/av1/common/resize.h @@ -20,6 +20,10 @@ extern "C" { #endif +// Filters for factor of 2 downsampling. +static const int16_t av1_down2_symeven_half_filter[] = { 56, 12, -3, -1 }; +static const int16_t av1_down2_symodd_half_filter[] = { 64, 35, 0, -3 }; + bool av1_resize_plane(const uint8_t *input, int height, int width, int in_stride, uint8_t *output, int height2, int width2, int out_stride); @@ -93,6 +97,12 @@ void av1_calculate_unscaled_superres_size(int *width, int *height, int denom); void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool, bool alloc_pyramid); +bool av1_resize_plane_to_half(const uint8_t *const input, int height, int width, + int in_stride, uint8_t *output, int height2, + int width2, int out_stride); + +bool should_resize_by_half(int height, int width, int height2, int width2); + // Returns 1 if a superres upscaled frame is scaled and 0 otherwise. static INLINE int av1_superres_scaled(const AV1_COMMON *cm) { // Note: for some corner cases (e.g. cm->width of 1), there may be no scaling |