From 328e79329af80977451b501a2880f016ba0801e2 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Tue, 17 Jan 2012 00:37:20 +0100
Subject: Support gray8a pam decoding.

---
 libavcodec/pnm.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavcodec/pnm.c')

diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c
index fa43c8d6e9..1defbc20e6 100644
--- a/libavcodec/pnm.c
+++ b/libavcodec/pnm.c
@@ -118,6 +118,9 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
             } else {
                 avctx->pix_fmt = PIX_FMT_GRAY16BE;
             }
+        } else if (depth == 2) {
+            if (maxval == 255)
+                avctx->pix_fmt = PIX_FMT_GRAY8A;
         } else if (depth == 3) {
             if (maxval < 256) {
             avctx->pix_fmt = PIX_FMT_RGB24;
-- 
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