From 97da38c99bf5ad619ea15f2f1b4c050f0f44d11f Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Tue, 31 Jan 2012 00:13:24 +0100
Subject: [PATCH] Allow decoding of 64bit png images.

Fixes a part of ticket #639.
---
 libavcodec/pngdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 75f882c6ca..41a91f2381 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -485,6 +485,9 @@ static int decode_frame(AVCodecContext *avctx,
                 } else if (s->bit_depth == 16 &&
                            s->color_type == PNG_COLOR_TYPE_RGB) {
                     avctx->pix_fmt = PIX_FMT_RGB48BE;
+                } else if (s->bit_depth == 16 &&
+                           s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) {
+                    avctx->pix_fmt = PIX_FMT_RGBA64BE;
                 } else if (s->color_type == PNG_COLOR_TYPE_PALETTE) {
                     avctx->pix_fmt = PIX_FMT_PAL8;
                 } else if (s->bit_depth == 1) {