From 5ada64a54913cc72da76010cf4a702eccdc1ecd2 Mon Sep 17 00:00:00 2001
From: Sebastien Zwickert <dilaroga@free.fr>
Date: Sun, 8 Jan 2012 20:22:12 +0100
Subject: [PATCH] vda: convert 3 byte NAL sizes to 4 byte.

---
 libavcodec/vda.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/vda.c b/libavcodec/vda.c
index aaf5ba047a..20207eab70 100644
--- a/libavcodec/vda.c
+++ b/libavcodec/vda.c
@@ -179,6 +179,11 @@ int ff_vda_create_decoder(struct vda_context *vda_ctx,
 
     vda_lock_operation(&vda_ctx->queue_mutex, AV_LOCK_CREATE);
 
+    if (extradata[4]==0xFE) {
+        // convert 3 byte NAL sizes to 4 byte
+        extradata[4] = 0xFF;
+    }
+
     config_info = CFDictionaryCreateMutable(kCFAllocatorDefault,
                                             4,
                                             &kCFTypeDictionaryKeyCallBacks,