generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "vp9_rdopt.c: Use int64_t for dist_sum and rate_sum in model_rd_for_sb()."

Browse Source
This commit is contained in:
Paul Wilkins 2014-02-20 02:03:49 -08:00 committed by Gerrit Code Review
commit bb61327b98
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
vp9/encoder/vp9_rdopt.c
View File

@ -431,7 +431,9 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
// Note our transform coeffs are 8 times an orthogonal transform. // Note our transform coeffs are 8 times an orthogonal transform.
// Hence quantizer step is also 8 times. To get effective quantizer // Hence quantizer step is also 8 times. To get effective quantizer
// we need to divide by 8 before sending to modeling function. // 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]; int ref = xd->mi_8x8[0]->mbmi.ref_frame[0];
unsigned int sse; unsigned int sse;
@ -448,13 +450,13 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
// Fast approximate the modelling function. // Fast approximate the modelling function.
if (cpi->speed > 4) { if (cpi->speed > 4) {
int rate; int64_t rate;
int64_t dist; int64_t dist;
int64_t square_error = sse; int64_t square_error = sse;
int quantizer = (pd->dequant[1] >> 3); int quantizer = (pd->dequant[1] >> 3);
if ( quantizer < 120) if (quantizer < 120)
rate = (square_error * (280-quantizer) )>> 8; rate = (square_error * (280 - quantizer)) >> 8;
else else
rate = 0; rate = 0;
dist = (square_error * quantizer) >> 8; dist = (square_error * quantizer) >> 8;
@ -466,12 +468,12 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
model_rd_from_var_lapndz(sse, 1 << num_pels_log2_lookup[bs], model_rd_from_var_lapndz(sse, 1 << num_pels_log2_lookup[bs],
pd->dequant[1] >> 3, &rate, &dist); pd->dequant[1] >> 3, &rate, &dist);
rate_sum += rate; rate_sum += rate;
dist_sum += (int)dist; dist_sum += dist;
} }
} }
*out_rate_sum = rate_sum; *out_rate_sum = (int)rate_sum;
*out_dist_sum = (int64_t)dist_sum << 4; *out_dist_sum = dist_sum << 4;
} }
static void model_rd_for_sb_y_tx(VP9_COMP *cpi, BLOCK_SIZE bsize, static void model_rd_for_sb_y_tx(VP9_COMP *cpi, BLOCK_SIZE bsize,