From 9d4bbf6d4f3a0b78c4ec7a1f366adf5c3cc8ea1a Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Sun, 27 Mar 2011 15:47:10 +0100 Subject: ac3enc: slightly faster quantize_mantissas_blk_ch() --- libavcodec/ac3enc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'libavcodec/ac3enc.c') diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c index 809a3f5a4f..668cebe400 100644 --- a/libavcodec/ac3enc.c +++ b/libavcodec/ac3enc.c @@ -1074,14 +1074,11 @@ static void quantize_mantissas_blk_ch(AC3Mant *s, int32_t *fixed_coef, int i; for (i = start_freq; i < end_freq; i++) { - int v; int c = fixed_coef[i]; int e = exp[i]; - int b = bap[i]; - switch (b) { - case 0: - v = 0; - break; + int v = bap[i]; + if (v) + switch (v) { case 1: v = sym_quant(c, e, 3); switch (s->mant1_cnt) { @@ -1150,7 +1147,7 @@ static void quantize_mantissas_blk_ch(AC3Mant *s, int32_t *fixed_coef, v = asym_quant(c, e, 16); break; default: - v = asym_quant(c, e, b - 1); + v = asym_quant(c, e, v - 1); break; } qmant[i] = v; -- cgit v1.2.3