ref: a0e495579ed78b5566d3e3dcd8822ab3b3fa2530
parent: e3178d0c1c21534f933cb8196b79e420c5760d1a
author: Tom Finegan <tomfinegan@google.com>
date: Tue Feb 18 13:13:57 EST 2014
vp9_rdopt.c: Use int64_t for dist_sum and rate_sum in model_rd_for_sb(). Removes unnecessary casts and silences warnings. Change-Id: Ic516a909a2b3748831be6717f02d86ca60190af3
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -431,7 +431,9 @@
// Note our transform coeffs are 8 times an orthogonal transform.
// Hence quantizer step is also 8 times. To get effective quantizer
// we need to divide by 8 before sending to modeling function.
- int i, rate_sum = 0, dist_sum = 0;
+ int i;
+ int64_t rate_sum = 0;
+ int64_t dist_sum = 0;
int ref = xd->mi_8x8[0]->mbmi.ref_frame[0];
unsigned int sse;
@@ -448,13 +450,13 @@
// Fast approximate the modelling function.
if (cpi->speed > 4) {
- int rate;
+ int64_t rate;
int64_t dist;
int64_t square_error = sse;
int quantizer = (pd->dequant[1] >> 3);
- if ( quantizer < 120)
- rate = (square_error * (280-quantizer) )>> 8;
+ if (quantizer < 120)
+ rate = (square_error * (280 - quantizer)) >> 8;
else
rate = 0;
dist = (square_error * quantizer) >> 8;
@@ -466,12 +468,12 @@
model_rd_from_var_lapndz(sse, 1 << num_pels_log2_lookup[bs],
pd->dequant[1] >> 3, &rate, &dist);
rate_sum += rate;
- dist_sum += (int)dist;
+ dist_sum += dist;
}
}
- *out_rate_sum = rate_sum;
- *out_dist_sum = (int64_t)dist_sum << 4;
+ *out_rate_sum = (int)rate_sum;
+ *out_dist_sum = dist_sum << 4;
}
static void model_rd_for_sb_y_tx(VP9_COMP *cpi, BLOCK_SIZE bsize,
--
⑨