From bb4b041df351e49a0fa16007fb4505adea0836d8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 25 Sep 2013 00:44:17 +0200 Subject: avcodec/mpegvideo_enc: check qmin/qmax Fixes Ticket2990 Signed-off-by: Michael Niedermayer --- libavcodec/mpegvideo_enc.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'libavcodec') diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index 2e6acb28a3..a85cf563de 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -629,6 +629,11 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx) s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); } + if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) { + av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n"); + return AVERROR(EINVAL); + } + if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) s->intra_quant_bias = avctx->intra_quant_bias; if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) -- cgit v1.2.3