diff options
Diffstat (limited to 'vp9/encoder/vp9_avg.c')
| -rw-r--r-- | vp9/encoder/vp9_avg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/vp9/encoder/vp9_avg.c b/vp9/encoder/vp9_avg.c index 50c8bca0b..90d113c32 100644 --- a/vp9/encoder/vp9_avg.c +++ b/vp9/encoder/vp9_avg.c @@ -32,12 +32,13 @@ unsigned int vp9_avg_4x4_c(const uint8_t *s, int p) { void vp9_int_pro_row_c(int16_t *hbuf, uint8_t const *ref, const int ref_stride, const int height) { int idx; + const int norm_factor = MAX(8, height >> 1); for (idx = 0; idx < 16; ++idx) { int i; hbuf[idx] = 0; for (i = 0; i < height; ++i) hbuf[idx] += ref[i * ref_stride]; - hbuf[idx] /= 32; + hbuf[idx] /= norm_factor; ++ref; } } @@ -45,9 +46,10 @@ void vp9_int_pro_row_c(int16_t *hbuf, uint8_t const *ref, int16_t vp9_int_pro_col_c(uint8_t const *ref, const int width) { int idx; int16_t sum = 0; + const int norm_factor = MAX(8, width >> 1); for (idx = 0; idx < width; ++idx) sum += ref[idx]; - return sum / 32; + return sum / norm_factor; } int vp9_vector_var_c(int16_t const *ref, int16_t const *src, |