diff options
| author | Nils Wallménius <nils@rockbox.org> | 2012-10-16 21:03:22 +0200 |
|---|---|---|
| committer | Nils Wallménius <nils@rockbox.org> | 2012-10-16 21:03:22 +0200 |
| commit | aa55bc29f0d95767f2f89eb2496bb643d3f77f04 (patch) | |
| tree | 2a81348d48479c4f78d0e788a61dde2693aa91f2 /lib/rbcodec/codecs | |
| parent | 091619b4a5cd3458e5f1a8f81d78f4234c461fcb (diff) | |
opus: don't rely on stride being 1<<shift
Change-Id: I2d64fb20b2526d912eb665df0df4e87459676a92
Diffstat (limited to 'lib/rbcodec/codecs')
| -rw-r--r-- | lib/rbcodec/codecs/libopus/celt/mdct.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/mdct.c b/lib/rbcodec/codecs/libopus/celt/mdct.c index 877366361d..0df77fd5ec 100644 --- a/lib/rbcodec/codecs/libopus/celt/mdct.c +++ b/lib/rbcodec/codecs/libopus/celt/mdct.c @@ -215,6 +215,7 @@ void clt_mdct_backward(const mdct_lookup *l, kiss_fft_scalar *in, kiss_fft_scala { int i; int N, N2, N4; + int tstride = 1<<shift; kiss_twiddle_scalar sine; VARDECL(kiss_fft_scalar, f); VARDECL(kiss_fft_scalar, f2); @@ -261,8 +262,8 @@ void clt_mdct_backward(const mdct_lookup *l, kiss_fft_scalar *in, kiss_fft_scala *yp++ = yi + S_MUL(yr,sine); xp1+=2*stride; xp2-=2*stride; - t0 += stride; - t1 -= stride; + t0 += tstride; + t1 -= tstride; } } @@ -285,8 +286,8 @@ void clt_mdct_backward(const mdct_lookup *l, kiss_fft_scalar *in, kiss_fft_scala /* works because the cos is nearly one */ *fp++ = yr - S_MUL(yi,sine); *fp++ = yi + S_MUL(yr,sine); - t0 += stride; - t1 -= stride; + t0 += tstride; + t1 -= tstride; } } /* De-shuffle the components for the middle of the window only */ |