libbpg-0.9.3

jctvc/TLibEncoder/NALwrite.h

@@ -0,0 +1,88 @@
+/* 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 __NALWRITE__
+#define __NALWRITE__
+
+#include <ostream>
+
+#include "TLibCommon/TypeDef.h"
+#include "TLibCommon/TComBitStream.h"
+#include "TLibCommon/NAL.h"
+
+//! \ingroup TLibEncoder
+//! \{
+
+/**
+ * A convenience wrapper to NALUnit that also provides a
+ * bitstream object.
+ */
+struct OutputNALUnit : public NALUnit
+{
+  /**
+   * construct an OutputNALunit structure with given header values and
+   * storage for a bitstream.  Upon construction the NALunit header is
+   * written to the bitstream.
+   */
+  OutputNALUnit(
+    NalUnitType nalUnitType,
+    UInt temporalID = 0,
+    UInt reserved_zero_6bits = 0)
+  : NALUnit(nalUnitType, temporalID, reserved_zero_6bits)
+  , m_Bitstream()
+  {}
+
+  OutputNALUnit& operator=(const NALUnit& src)
+  {
+    m_Bitstream.clear();
+    static_cast<NALUnit*>(this)->operator=(src);
+    return *this;
+  }
+
+  TComOutputBitstream m_Bitstream;
+};
+
+Void write(std::ostream& out, OutputNALUnit& nalu);
+Void writeRBSPTrailingBits(TComOutputBitstream& bs);
+
+inline NALUnitEBSP::NALUnitEBSP(OutputNALUnit& nalu)
+  : NALUnit(nalu)
+{
+  write(m_nalUnitData, nalu);
+}
+
+//! \}
+
+#endif