From 5205b3289e46b680c314e44a9243929b6d00146a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Martinez?= <jerome@mediaarea.net>
Date: Fri, 1 Jun 2018 10:09:01 +0200
Subject: [PATCH] avcodec/dpx: Support for RGBA 12-bit packed decoding

Limited to widths multiple of 2 due to lack of test files for such corner case

This partially fixes ticket #5639
---
 libavcodec/dpx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c
index 026fb10e90..fb388b6e52 100644
--- a/libavcodec/dpx.c
+++ b/libavcodec/dpx.c
@@ -237,6 +237,9 @@ static int decode_frame(AVCodecContext *avctx,
             if (descriptor == 50 && endian && (avctx->width%8) == 0) { // Little endian and widths not a multiple of 8 need tests
                 tested = 1;
             }
+            if (descriptor == 51 && endian && (avctx->width%2) == 0) { // Little endian and widths not a multiple of 2 need tests
+                tested = 1;
+            }
             if (!tested) {
                 av_log(avctx, AV_LOG_ERROR, "Packing to 16bit required\n");
                 return -1;