avcodec/sipr: use AVERROR return code instead of -1

Signed-off-by: Paul B Mahol <onemda@gmail.com>

diff --git a/libavcodec/sipr.c b/libavcodec/sipr.c
index 4602a42..595097a 100644 (file)
--- a/libavcodec/sipr.c
+++ b/libavcodec/sipr.c
@@ -537,7 +537,7 @@ static int sipr_decode_frame(AVCodecContext *avctx, void *data,
         av_log(avctx, AV_LOG_ERROR,
                "Error processing packet: packet size (%d) too small\n",
                avpkt->size);
-        return -1;
+        return AVERROR_INVALIDDATA;
     }
 
     /* get output buffer */