From: Paul B Mahol <one...@gmail.com> ZeroCodec relies on the keyframe flag being set in the container, and prev is the previously decoded frame. A keyframe flags incorrectly set will lead to this condition.
Signed-off-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Luca Barbato <lu_z...@gentoo.org> --- libavcodec/zerocodec.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/libavcodec/zerocodec.c b/libavcodec/zerocodec.c index 6c57e05..487cb32 100644 --- a/libavcodec/zerocodec.c +++ b/libavcodec/zerocodec.c @@ -65,6 +65,10 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data, pic->key_frame = 1; pic->pict_type = AV_PICTURE_TYPE_I; } else { + if (!prev) { + av_log(avctx, AV_LOG_ERROR, "Missing reference frame!\n"); + return AVERROR_INVALIDDATA; + } pic->key_frame = 0; pic->pict_type = AV_PICTURE_TYPE_P; } -- 1.7.8.rc1 _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel