diff options
| -rw-r--r-- | libavcodec/flashsv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/flashsv.c b/libavcodec/flashsv.c index ac57f9f..d12e234 100644 --- a/libavcodec/flashsv.c +++ b/libavcodec/flashsv.c @@ -401,6 +401,11 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data, av_log_missing_feature(avctx, "zlibprime_curr", 1); return AVERROR_PATCHWELCOME; } + if (!s->blocks && (s->zlibprime_curr || s->zlibprime_prev)) { + av_log(avctx, AV_LOG_ERROR, "no data available for zlib " + "priming\n"); + return AVERROR_INVALIDDATA; + } size--; // account for flags byte } |
