ffmpeg | branch: master | Rostislav Pehlivanov <atomnu...@gmail.com> | Wed Jul 13 23:40:06 2016 +0100| [b2b12b2d4ab1347e06770bfb4ea1bdf1b1c70527] | committer: Rostislav Pehlivanov
diracdec: fix maximum quantization index checks Found by Coverity, fixes CID1363961 and CID1363962 Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b2b12b2d4ab1347e06770bfb4ea1bdf1b1c70527 --- libavcodec/diracdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index 9275c50..dc42a42 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -513,7 +513,7 @@ static inline void codeblock(DiracContext *s, SubBand *b, b->quant = quant; } - if (b->quant > DIRAC_MAX_QUANT_INDEX) { + if (b->quant > (DIRAC_MAX_QUANT_INDEX - 1)) { av_log(s->avctx, AV_LOG_ERROR, "Unsupported quant %d\n", b->quant); b->quant = 0; return; @@ -703,7 +703,7 @@ static void decode_subband(DiracContext *s, GetBitContext *gb, int quant, uint8_t *buf2 = b2 ? b2->ibuf + top * b2->stride: NULL; int x, y; - if (quant > DIRAC_MAX_QUANT_INDEX) { + if (quant > (DIRAC_MAX_QUANT_INDEX - 1)) { av_log(s->avctx, AV_LOG_ERROR, "Unsupported quant %d\n", quant); return; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
