diff options
| author | Nathan E. Egge <unlord@xiph.org> | 2018-11-19 16:56:01 +0300 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2019-01-25 17:30:24 +0300 |
| commit | 45d4fde63754a685a6ba69c012b6f4db528664a0 (patch) | |
| tree | 3bcbad049d91c85639e5529825e46fb8721c686c /src/recon_tmpl.c | |
| parent | 250204038a3799d2a2377b9be5a87c5d4213e9ba (diff) | |
Add msac_decode_bool_equi() function
When decoding an equi-probable bit (e.g. prob = 1/2) we can simplify the
decode function.
Diffstat (limited to 'src/recon_tmpl.c')
| -rw-r--r-- | src/recon_tmpl.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/recon_tmpl.c b/src/recon_tmpl.c index 17f5d4a..e4c725d 100644 --- a/src/recon_tmpl.c +++ b/src/recon_tmpl.c @@ -50,8 +50,8 @@ static unsigned read_golomb(MsacContext *const msac) { int len = 0; unsigned val = 1; - while (!msac_decode_bool(msac, EC_BOOL_EPROB) && len < 32) len++; - while (len--) val = (val << 1) | msac_decode_bool(msac, EC_BOOL_EPROB); + while (!msac_decode_bool_equi(msac) && len < 32) len++; + while (len--) val = (val << 1) | msac_decode_bool_equi(msac); return val - 1; } @@ -152,7 +152,7 @@ static int decode_coefs(Dav1dTileContext *const t, unsigned mask = eob >> 1; if (eob_hi_bit) eob |= mask; for (mask >>= 1; mask; mask >>= 1) { - const int eob_bit = msac_decode_bool(&ts->msac, EC_BOOL_EPROB); + const int eob_bit = msac_decode_bool_equi(&ts->msac); if (eob_bit) eob |= mask; } if (dbg) @@ -231,7 +231,7 @@ static int decode_coefs(Dav1dTileContext *const t, dc_sign = sign ? 0 : 2; dq = (dq_tbl[0] * qm_tbl[0] + 16) >> 5; } else { - sign = msac_decode_bool(&ts->msac, EC_BOOL_EPROB); + sign = msac_decode_bool_equi(&ts->msac); if (dbg) printf("Post-sign[%d=%d=%d]: r=%d\n", i, rc, sign, ts->msac.rng); dq = (dq_tbl[1] * qm_tbl[rc] + 16) >> 5; |