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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-06-16 20:00:39 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-16 20:16:53 +0200 |
| commit | 8294ec67b5b18c44d2406c77b6f6cd09201055c7 (patch) | |
| tree | 0cf7efaebd42aaab4b8af35d8fa2efb3279486f7 /libavcodec/jpeg2000dwt.c | |
| parent | 20657e05bc2608dae03e7e8d47da11c2cdcaed38 (diff) | |
| download | ffmpeg-8294ec67b5b18c44d2406c77b6f6cd09201055c7.tar.gz | |
avcodec/jpeg2000dwt: add special cases for handling length 1 in 5/3 decode
Fixes Ticket4630
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/jpeg2000dwt.c')
| -rw-r--r-- | libavcodec/jpeg2000dwt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index ceceda36dc..a5eb0b77fc 100644 --- a/libavcodec/jpeg2000dwt.c +++ b/libavcodec/jpeg2000dwt.c @@ -290,8 +290,11 @@ static void sr_1d53(int *p, int i0, int i1) { int i; - if (i1 == i0 + 1) + if (i1 <= i0 + 1) { + if (i0 == 1) + p[1] >>= 1; return; + } extend53(p, i0, i1); |