From 19df5dcb4734d699da7177d5cfc8dc1bdcbf91c1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 17 Jan 2014 20:58:43 +0100 Subject: [PATCH] avcodec/dnxhdenc: check that qmax is within the supported range Signed-off-by: Michael Niedermayer --- libavcodec/dnxhdenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index b16c7ed97d..ab2b7c6478 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -341,6 +341,11 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx) return -1; } + if (avctx->qmax <= 1) { + av_log(avctx, AV_LOG_ERROR, "qmax must be at least 2\n"); + return AVERROR(EINVAL); + } + ctx->thread[0] = ctx; for (i = 1; i < avctx->thread_count; i++) { ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext));