diff options
Diffstat (limited to 'libavcodec/jpeg2000dwt.c')
| -rw-r--r-- | libavcodec/jpeg2000dwt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index 2bf25a8c4e..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; @@ -595,6 +598,9 @@ int ff_dwt_encode(DWTContext *s, void *t) int ff_dwt_decode(DWTContext *s, void *t) { + if (s->ndeclevels == 0) + return 0; + switch (s->type) { case FF_DWT97: dwt_decode97_float(s, t); |