From 1b5282a221b9e9544c3807b56335d577eedda264 Mon Sep 17 00:00:00 2001
From: Peter Ross <pross@xvid.org>
Date: Fri, 1 Apr 2011 23:23:28 +1100
Subject: [PATCH] dpx decoder: read sample aspect ratio

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/dpx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c
index 7fff98598b..afd71cc173 100644
--- a/libavcodec/dpx.c
+++ b/libavcodec/dpx.c
@@ -68,7 +68,7 @@ static int decode_frame(AVCodecContext *avctx,
 
     unsigned int rgbBuffer;
 
-    if (avpkt->size <= 0x324) {
+    if (avpkt->size <= 1634) {
         av_log(avctx, AV_LOG_ERROR, "Packet too small for DPX header\n");
         return AVERROR_INVALIDDATA;
     }
@@ -106,6 +106,10 @@ static int decode_frame(AVCodecContext *avctx,
     avctx->bits_per_raw_sample =
     bits_per_color = buf[0];
 
+    buf += 825;
+    avctx->sample_aspect_ratio.num = read32(&buf, endian);
+    avctx->sample_aspect_ratio.den = read32(&buf, endian);
+
     switch (descriptor) {
         case 51: // RGBA
             elements = 4;