On Fri, May 04, 2012 at 12:32:43PM -0400, Derek Buitenhuis wrote:
> From: Paul B Mahol <one...@gmail.com>
>
> Signed-off-by: Paul B Mahol <one...@gmail.com>
> ---
> libavcodec/zerocodec.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/libavcodec/zerocodec.c b/libavcodec/zerocodec.c
> index 6c57e05..7a0ba34 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, "No previous frame!\n");
> + return AVERROR_INVALIDDATA;
> + }
> pic->key_frame = 0;
> pic->pict_type = AV_PICTURE_TYPE_P;
> }
> --
OK
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