avcodec/takdec: Fix runtime error: left shift of negative value -42

[ffmpeg] / libavcodec / y41pdec.c

diff --git a/libavcodec/y41pdec.c b/libavcodec/y41pdec.c
index 1b177d426215d098de7b2c8f67285ce6cd2740eb..85a39e4ae26b8b3de9e933282e4cf25735d8160e 100644 (file)
--- a/libavcodec/y41pdec.c
+++ b/libavcodec/y41pdec.c
@@ -43,7 +43,7 @@ static int y41p_decode_frame(AVCodecContext *avctx, void *data,
     uint8_t *y, *u, *v;
     int i, j, ret;
 
-    if (avpkt->size < 3LL * avctx->height * avctx->width / 2) {
+    if (avpkt->size < 3LL * avctx->height * FFALIGN(avctx->width, 8) / 2) {
         av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
         return AVERROR(EINVAL);
     }