diff options
| author | Michael Niedermayer <[email protected]> | 2015-11-27 21:02:13 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2015-11-27 21:02:13 +0100 |
| commit | feb3f39614b88c113211a98dda1bc2fe5c3c6957 (patch) | |
| tree | 86ba876532d5cc3c202cf11d6beba2ee80d89e42 | |
| parent | 75422280fbcdfbe9dc56bde5525b4d8b280f1bc5 (diff) | |
avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_encode*()
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavcodec/jpeg2000dwt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index 36e443d478..a46c93a9b2 100644 --- a/libavcodec/jpeg2000dwt.c +++ b/libavcodec/jpeg2000dwt.c @@ -580,6 +580,9 @@ int ff_jpeg2000_dwt_init(DWTContext *s, int border[2][2], int ff_dwt_encode(DWTContext *s, void *t) { + if (s->ndeclevels == 0) + return 0; + switch(s->type){ case FF_DWT97: dwt_encode97_float(s, t); break; |