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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-03 16:43:10 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-06 00:07:50 +0100 |
| commit | c39e8d05f587ef8a48d1c2d0dba898bf8bcd7287 (patch) | |
| tree | db92b1ccdff0107ed5fd38d2e970c5cc0d297d64 | |
| parent | a0715c1e897f148022bd3dc033465595d40fdb4c (diff) | |
| download | ffmpeg-c39e8d05f587ef8a48d1c2d0dba898bf8bcd7287.tar.gz | |
avcodec/flacdsp_template: Fix undefined shift in flac_decorrelate_indep_c
Fixes: left shift of negative value
Fixes: 668346-media
Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit acc163c6ab52d2235767852262c64c7f6b273d1c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/flacdsp_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/flacdsp_template.c b/libavcodec/flacdsp_template.c index 62c0a15ff6..776c78da71 100644 --- a/libavcodec/flacdsp_template.c +++ b/libavcodec/flacdsp_template.c @@ -56,7 +56,7 @@ static void FUNC(flac_decorrelate_indep_c)(uint8_t **out, int32_t **in, for (j = 0; j < len; j++) for (i = 0; i < channels; i++) - S(samples, i, j) = in[i][j] << shift; + S(samples, i, j) = (int)((unsigned)in[i][j] << shift); } static void FUNC(flac_decorrelate_ls_c)(uint8_t **out, int32_t **in, |