ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Feb 25 02:19:43 2017 +0100| [6bd79ba59f46a8b3133f28faae53b75540469803] | committer: Michael Niedermayer
avcodec/amrwbdec: Fix 2 runtime errors: left shift of negative value -1 Fixes: 669/clusterfuzz-testcase-4847965409640448 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6bd79ba59f46a8b3133f28faae53b75540469803 --- libavcodec/amrwbdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/amrwbdec.c b/libavcodec/amrwbdec.c index 7d0c135..999bfb9 100644 --- a/libavcodec/amrwbdec.c +++ b/libavcodec/amrwbdec.c @@ -292,7 +292,7 @@ static void decode_pitch_lag_low(int *lag_int, int *lag_frac, int pitch_index, if (subframe == 0 || (subframe == 2 && mode != MODE_6k60)) { if (pitch_index < 116) { *lag_int = (pitch_index + 69) >> 1; - *lag_frac = (pitch_index - (*lag_int << 1) + 68) << 1; + *lag_frac = (pitch_index - (*lag_int << 1) + 68) * 2; } else { *lag_int = pitch_index - 24; *lag_frac = 0; @@ -302,7 +302,7 @@ static void decode_pitch_lag_low(int *lag_int, int *lag_frac, int pitch_index, AMRWB_P_DELAY_MIN, AMRWB_P_DELAY_MAX - 15); } else { *lag_int = (pitch_index + 1) >> 1; - *lag_frac = (pitch_index - (*lag_int << 1)) << 1; + *lag_frac = (pitch_index - (*lag_int << 1)) * 2; *lag_int += *base_lag_int; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
