Module: libav Branch: master Commit: 37f4a976b374398a846b354cf16417b9a81d57e2
Author: Paul B Mahol <[email protected]> Committer: Luca Barbato <[email protected]> Date: Fri May 4 12:32:43 2012 -0400 zerocodec: check if the previous frame is missing 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 <[email protected]> Signed-off-by: Luca Barbato <[email protected]> --- 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; } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
