--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/x265/source/encoder/sei.cpp	Wed Nov 16 11:16:33 2016 +0200
@@ -0,0 +1,74 @@
+/*****************************************************************************
+* Copyright (C) 2013 x265 project
+*
+* Authors: Steve Borho <steve@borho.org>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+*
+* This program is also available under a commercial proprietary license.
+* For more information, contact us at license @ x265.com.
+*****************************************************************************/
+
+#include "common.h"
+#include "bitstream.h"
+#include "slice.h"
+#include "sei.h"
+
+using namespace X265_NS;
+
+/* x265's identifying GUID */
+const uint8_t SEIuserDataUnregistered::m_uuid_iso_iec_11578[16] = {
+    0x2C, 0xA2, 0xDE, 0x09, 0xB5, 0x17, 0x47, 0xDB,
+    0xBB, 0x55, 0xA4, 0xFE, 0x7F, 0xC2, 0xFC, 0x4E
+};
+
+/* marshal a single SEI message sei, storing the marshalled representation
+ * in bitstream bs */
+void SEI::write(Bitstream& bs, const SPS& sps)
+{
+    BitCounter count;
+    m_bitIf = &count;
+
+    /* virtual writeSEI method, write to bit counter */
+    writeSEI(sps);
+
+    m_bitIf = &bs;
+    uint32_t type = payloadType();
+    for (; type >= 0xff; type -= 0xff)
+        WRITE_CODE(0xff, 8, "payload_type");
+    WRITE_CODE(type, 8, "payload_type");
+
+    X265_CHECK(0 == (count.getNumberOfWrittenBits() & 7), "payload unaligned\n");
+    uint32_t payloadSize = count.getNumberOfWrittenBits() >> 3;
+    for (; payloadSize >= 0xff; payloadSize -= 0xff)
+        WRITE_CODE(0xff, 8, "payload_size");
+    WRITE_CODE(payloadSize, 8, "payload_size");
+
+    /* virtual writeSEI method, write to bs */
+    writeSEI(sps);
+}
+
+void SEI::writeByteAlign()
+{
+    // TODO: expose bs.writeByteAlignment() as virtual function
+    if (m_bitIf->getNumberOfWrittenBits() % 8 != 0)
+    {
+        WRITE_FLAG(1, "bit_equal_to_one");
+        while (m_bitIf->getNumberOfWrittenBits() % 8 != 0)
+        {
+            WRITE_FLAG(0, "bit_equal_to_zero");
+        }
+    }
+}