doc: update libavfilter documentation

[ffmpeg] / libavcodec / zmbv.c

diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 10fd903b981e23a43d4f57c67c91b61b1ee9a16b..a9c127ee4f7132fa1d60bd9db1832cde747277ba 100644 (file)
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -574,7 +574,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
         default:
             av_log(avctx, AV_LOG_ERROR, "Cannot handle format %i\n", c->fmt);
         }
-        memcpy(c->prev, c->cur, c->width * c->height * (c->bpp / 8));
+        FFSWAP(uint8_t *, c->cur, c->prev);
     }
     *data_size = sizeof(AVFrame);
     *(AVFrame*)data = c->pic;