From 281c8b7e9988f4ffd077b16110c1ad2d3bdebf84 Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
Date: Tue, 22 Jun 2010 21:26:16 -0400
Subject: [PATCH] Preventing ridiculous bit depths > 16 bit/sample
---
libcelt/bands.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libcelt/bands.c b/libcelt/bands.c
index 4334e7df4..41b713b78 100644
--- a/libcelt/bands.c
+++ b/libcelt/bands.c
@@ -895,6 +895,7 @@ void quant_all_bands(int encode, const CELTMode *m, int start, celt_norm *_X, ce
int spread;
celt_norm *lowband;
int update_lowband = 1;
+ int C = _Y != NULL ? 2 : 1;
SAVE_STACK;
M = 1<<LM;
@@ -935,6 +936,9 @@ void quant_all_bands(int encode, const CELTMode *m, int start, celt_norm *_X, ce
b = IMIN(remaining_bits+1,pulses[i]+curr_balance);
if (b<0)
b = 0;
+ /* Prevents ridiculous bit depths */
+ if (b > C*16*N<<BITRES)
+ b = C*16*N<<BITRES;
if (M*eBands[i]-N >= M*eBands[start])
{
--
GitLab