build: require libxcb >= 1.4

[ffmpeg] / libavcodec / indeo3.c

diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c
index cafed5172b573cf372045f617b4b2d7186ef6b07..9fde0fdf6cd9b7981756adb7e39424bb92208cdf 100644 (file)
--- a/libavcodec/indeo3.c
+++ b/libavcodec/indeo3.c
@@ -982,7 +982,8 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
     ctx->y_data_size = ends[0] - starts[0];
     ctx->v_data_size = ends[1] - starts[1];
     ctx->u_data_size = ends[2] - starts[2];
-    if (FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
+    if (FFMIN3(y_offset, v_offset, u_offset) < 0 ||
+        FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
         FFMIN3(y_offset, v_offset, u_offset) < gb.buffer - bs_hdr + 16 ||
         FFMIN3(ctx->y_data_size, ctx->v_data_size, ctx->u_data_size) <= 0) {
         av_log(avctx, AV_LOG_ERROR, "One of the y/u/v offsets is invalid\n");