diff options
| author | Gautam Ramakrishnan <gautamramk@gmail.com> | 2020-07-14 22:13:13 +0530 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-14 22:05:02 +0200 |
| commit | 05f3d37dd58b1626c8e587cdf11af5a0ab65d377 (patch) | |
| tree | e2cfb8d387df5288373cbce9595580420b3eb89d | |
| parent | 24c575e0aa6b469eeaa1bd8f7ffc0fe6732495d0 (diff) | |
libavcodec/jpeg2000dec : Prevent overriding SOP marker bit
Currently, the COC marker overrides the SOP marker bit.
However, only the COD marker may set this value. This
patch fixes this bug.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 18a933077e..48ca1c37a5 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -588,7 +588,7 @@ static int get_coc(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c, uint8_t *properties) { int compno, ret; - uint8_t has_eph; + uint8_t has_eph, has_sop; if (bytestream2_get_bytes_left(&s->g) < 2) { av_log(s->avctx, AV_LOG_ERROR, "Insufficient space for COC\n"); @@ -606,8 +606,10 @@ static int get_coc(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c, c += compno; has_eph = c->csty & JPEG2000_CSTY_EPH; + has_sop = c->csty & JPEG2000_CSTY_SOP; c->csty = bytestream2_get_byteu(&s->g); c->csty |= has_eph; //do not override eph present bits from COD + c->csty |= has_sop; //do not override sop present bits from COD if ((ret = get_cox(s, c)) < 0) return ret; |