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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-13 07:40:53 -0700 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2012-04-13 23:13:03 +0300 |
| commit | 680097cb6d6b5905fe74c274ee27cb8eebb1513f (patch) | |
| tree | 6ab2cba2c897065661b5d13ee066c123111939db | |
| parent | accea4d9d8ef4a51a02653568118eb2862bf79cc (diff) | |
| download | ffmpeg-680097cb6d6b5905fe74c274ee27cb8eebb1513f.tar.gz | |
WMAL: Do not try to read rawpcm coefficients if bits is invalid
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavcodec/wmalosslessdec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index 4eb9ebecea..feea6efa11 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -936,6 +936,11 @@ static int decode_subframe(WmallDecodeCtx *s) if (rawpcm_tile) { int bits = s->bits_per_sample - padding_zeroes; + if (bits <= 0) { + av_log(s->avctx, AV_LOG_ERROR, + "Invalid number of padding bits in raw PCM tile\n"); + return AVERROR_INVALIDDATA; + } av_dlog(s->avctx, "RAWPCM %d bits per sample. " "total %d bits, remain=%d\n", bits, bits * s->num_channels * subframe_len, get_bits_count(&s->gb)); |