--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jctvc/TLibEncoder/AnnexBwrite.h	Wed Nov 16 11:16:33 2016 +0200
@@ -0,0 +1,91 @@
+/* The copyright in this software is being made available under the BSD
+ * License, included below. This software may be subject to other third party
+ * and contributor rights, including patent rights, and no such rights are
+ * granted under this license.
+ *
+ * Copyright (c) 2010-2014, ITU/ISO/IEC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#ifndef __ANNEXBWRITE__
+#define __ANNEXBWRITE__
+
+#include <ostream>
+#include "TLibCommon/AccessUnit.h"
+#include "NALwrite.h"
+
+//! \ingroup TLibEncoder
+//! \{
+
+/**
+ * write all NALunits in au to bytestream out in a manner satisfying
+ * AnnexB of AVC.  NALunits are written in the order they are found in au.
+ * the zero_byte word is appended to:
+ *  - the initial startcode in the access unit,
+ *  - any SPS/PPS nal units
+ */
+static std::vector<UInt> writeAnnexB(std::ostream& out, const AccessUnit& au)
+{
+  std::vector<UInt> annexBsizes;
+
+  for (AccessUnit::const_iterator it = au.begin(); it != au.end(); it++)
+  {
+    const NALUnitEBSP& nalu = **it;
+    UInt size = 0; /* size of annexB unit in bytes */
+
+    static const Char start_code_prefix[] = {0,0,0,1};
+    if (it == au.begin() || nalu.m_nalUnitType == NAL_UNIT_VPS || nalu.m_nalUnitType == NAL_UNIT_SPS || nalu.m_nalUnitType == NAL_UNIT_PPS)
+    {
+      /* From AVC, When any of the following conditions are fulfilled, the
+       * zero_byte syntax element shall be present:
+       *  - the nal_unit_type within the nal_unit() is equal to 7 (sequence
+       *    parameter set) or 8 (picture parameter set),
+       *  - the byte stream NAL unit syntax structure contains the first NAL
+       *    unit of an access unit in decoding order, as specified by subclause
+       *    7.4.1.2.3.
+       */
+      out.write(start_code_prefix, 4);
+      size += 4;
+    }
+    else
+    {
+      out.write(start_code_prefix+1, 3);
+      size += 3;
+    }
+    out << nalu.m_nalUnitData.str();
+    size += UInt(nalu.m_nalUnitData.str().size());
+
+    annexBsizes.push_back(size);
+  }
+
+  return annexBsizes;
+}
+//! \}
+
+#endif