diff options
| -rw-r--r-- | libavcodec/alsdec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c index 8a8bff15e9..0a6be7bf90 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -1290,8 +1290,16 @@ static int revert_channel_correlation(ALSDecContext *ctx, ALSBlockData *bd, if (ch[dep].time_diff_sign) { t = -t; + if (t > 0 && begin < t) { + av_log(ctx->avctx, AV_LOG_ERROR, "begin %u smaller than time diff index %d.\n", begin, t); + return AVERROR_INVALIDDATA; + } begin -= t; } else { + if (t > 0 && end < t) { + av_log(ctx->avctx, AV_LOG_ERROR, "end %u smaller than time diff index %d.\n", end, t); + return AVERROR_INVALIDDATA; + } end -= t; } |