Commit 8e8bc5f2 authored by Jingning Han's avatar Jingning Han

Add dynamic range comment to vp9_int_pro_col

Change-Id: If14d9f874bd0bf2c5a455982088fd70591f5ea5a
parent 001baa5d
......@@ -142,9 +142,11 @@ void vp9_int_pro_row_c(int16_t *hbuf, uint8_t const *ref,
}
}
// width: value range {16, 32, 64}.
int16_t vp9_int_pro_col_c(uint8_t const *ref, const int width) {
int idx;
int16_t sum = 0;
// sum: 14 bit, dynamic range [0, 16320]
for (idx = 0; idx < width; ++idx)
sum += ref[idx];
return sum;
......
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