From 77e6b085a3386d87e1111697d846f21db423ca09 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Fri, 12 Oct 2012 15:39:02 +0000
Subject: [PATCH] imgutils: do not use av_pix_fmt_descriptors directly

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavutil/imgutils.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
index 7c7ae5c9b90..57ee07d32b0 100644
--- a/libavutil/imgutils.c
+++ b/libavutil/imgutils.c
@@ -309,11 +309,15 @@ int av_image_fill_arrays(uint8_t *dst_data[4], int dst_linesize[4],
 
 int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align)
 {
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     uint8_t *data[4];
     int linesize[4];
+
+    if (!desc)
+        return AVERROR(EINVAL);
     if (av_image_check_size(width, height, 0, NULL) < 0)
         return AVERROR(EINVAL);
-    if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_PSEUDOPAL)
+    if (desc->flags & PIX_FMT_PSEUDOPAL)
         // do not include palette for these pseudo-paletted formats
         return width * height;
     return av_image_fill_arrays(data, linesize, NULL, pix_fmt, width, height, align);
-- 
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