From 72db5e96fc560c0b1e78099feeb3a90aa27eb7e4 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 15 Sep 2015 20:27:14 +0200 Subject: [PATCH] avcodec/ffv1enc: Fix error message when the requested version does not support the requested features Found-by: "Peter B." Signed-off-by: Michael Niedermayer --- libavcodec/ffv1enc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c index 265ced1172..338cc4e3c1 100644 --- a/libavcodec/ffv1enc.c +++ b/libavcodec/ffv1enc.c @@ -683,8 +683,13 @@ static av_cold int encode_init(AVCodecContext *avctx) if (avctx->level <= 0 && s->version == 2) { s->version = 3; } - if (avctx->level >= 0 && avctx->level <= 4) - s->version = FFMAX(s->version, avctx->level); + if (avctx->level >= 0 && avctx->level <= 4) { + if (avctx->level < s->version) { + av_log(avctx, AV_LOG_ERROR, "Version %d needed for requested features but %d requested\n", s->version, avctx->level); + return AVERROR(EINVAL); + } + s->version = avctx->level; + } if (s->ec < 0) { s->ec = (s->version >= 3);