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| author | Rostislav Pehlivanov <atomnuker@gmail.com> | 2016-07-13 23:40:06 +0100 |
|---|---|---|
| committer | Rostislav Pehlivanov <atomnuker@gmail.com> | 2016-07-13 23:40:06 +0100 |
| commit | b2b12b2d4ab1347e06770bfb4ea1bdf1b1c70527 (patch) | |
| tree | 27ba01c921d352ccd53493e92c6efadb20315a22 /libavcodec/diracdec.c | |
| parent | 9c0aba434e774f9d8d99d6d3c4adc8dcabf3a052 (diff) | |
| download | ffmpeg-streaming-b2b12b2d4ab1347e06770bfb4ea1bdf1b1c70527.zip ffmpeg-streaming-b2b12b2d4ab1347e06770bfb4ea1bdf1b1c70527.tar.gz | |
diracdec: fix maximum quantization index checks
Found by Coverity, fixes CID1363961 and CID1363962
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Diffstat (limited to 'libavcodec/diracdec.c')
| -rw-r--r-- | libavcodec/diracdec.c | 4 |
1 files 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; } |
