diff options
Diffstat (limited to 'media/libvorbis/lib/vorbis_psy.c')
| -rw-r--r-- | media/libvorbis/lib/vorbis_psy.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/media/libvorbis/lib/vorbis_psy.c b/media/libvorbis/lib/vorbis_psy.c index f7a44c6d00..036b094aa7 100644 --- a/media/libvorbis/lib/vorbis_psy.c +++ b/media/libvorbis/lib/vorbis_psy.c @@ -6,12 +6,11 @@ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * * * * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 * - * by the Xiph.Org Foundation http://www.xiph.org/ * + * by the Xiph.Org Foundation https://xiph.org/ * * * ******************************************************************** function: psychoacoustics not including preecho - last mod: $Id: psy.c 18077 2011-09-02 02:49:00Z giles $ ********************************************************************/ @@ -600,11 +599,12 @@ static void bark_noise_hybridmp(int n,const long *b, XY[i] = tXY; } - for (i = 0, x = 0.f;; i++, x += 1.f) { + for (i = 0, x = 0.f; i < n; i++, x += 1.f) { lo = b[i] >> 16; - if( lo>=0 ) break; hi = b[i] & 0xffff; + if( lo>=0 || -lo>=n ) break; + if( hi>=n ) break; tN = N[hi] + N[-lo]; tX = X[hi] - X[-lo]; @@ -616,17 +616,17 @@ static void bark_noise_hybridmp(int n,const long *b, B = tN * tXY - tX * tY; D = tN * tXX - tX * tX; R = (A + x * B) / D; - if (R < 0.f) - R = 0.f; + if (R < 0.f) R = 0.f; noise[i] = R - offset; } - for ( ;; i++, x += 1.f) { + for ( ; i < n; i++, x += 1.f) { lo = b[i] >> 16; hi = b[i] & 0xffff; - if(hi>=n)break; + if( lo<0 || lo>=n ) break; + if( hi>=n ) break; tN = N[hi] - N[lo]; tX = X[hi] - X[lo]; @@ -642,6 +642,7 @@ static void bark_noise_hybridmp(int n,const long *b, noise[i] = R - offset; } + for ( ; i < n; i++, x += 1.f) { R = (A + x * B) / D; @@ -652,10 +653,11 @@ static void bark_noise_hybridmp(int n,const long *b, if (fixed <= 0) return; - for (i = 0, x = 0.f;; i++, x += 1.f) { + for (i = 0, x = 0.f; i < n; i++, x += 1.f) { hi = i + fixed / 2; lo = hi - fixed; - if(lo>=0)break; + if ( hi>=n ) break; + if ( lo>=0 ) break; tN = N[hi] + N[-lo]; tX = X[hi] - X[-lo]; @@ -671,11 +673,12 @@ static void bark_noise_hybridmp(int n,const long *b, if (R - offset < noise[i]) noise[i] = R - offset; } - for ( ;; i++, x += 1.f) { + for ( ; i < n; i++, x += 1.f) { hi = i + fixed / 2; lo = hi - fixed; - if(hi>=n)break; + if ( hi>=n ) break; + if ( lo<0 ) break; tN = N[hi] - N[lo]; tX = X[hi] - X[lo]; |