ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Sun Mar 15 11:21:50 2015 +0100| [e3f5b6f16d606b769a82cf4ef1647c4887419374] | committer: Michael Niedermayer
avcodec/ac3: Fix undefined shift in ff_ac3_bit_alloc_calc_mask() Found-by: Clang -fsanitize=shift Reported-by: Thierry Foucu <tfo...@google.com> Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3f5b6f16d606b769a82cf4ef1647c4887419374 --- libavcodec/ac3.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c index 29e132f..c4fc77c 100644 --- a/libavcodec/ac3.c +++ b/libavcodec/ac3.c @@ -200,9 +200,9 @@ int ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd, if (band >= AC3_CRITICAL_BANDS || dba_lengths[seg] > AC3_CRITICAL_BANDS-band) return -1; if (dba_values[seg] >= 4) { - delta = (dba_values[seg] - 3) << 7; + delta = (dba_values[seg] - 3) * 128; } else { - delta = (dba_values[seg] - 4) << 7; + delta = (dba_values[seg] - 4) * 128; } for (i = 0; i < dba_lengths[seg]; i++) { mask[band++] += delta; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
