text: //----------------------------------------------------------------------------
  //
  // TSDuck - The MPEG Transport Stream Toolkit
  // Copyright (c) 2005-2021, Thierry Lelegard
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice,
  //    this list of conditions and the following disclaimer.
  // 2. 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.
  //
  // 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 OWNER 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.
  //
  //----------------------------------------------------------------------------
  //!
  //!  @file
  //!  Representation of an SVC_extension_descriptor.
  //!
  //----------------------------------------------------------------------------
  
  #pragma once
  #include "tsAbstractDescriptor.h"
  
  namespace ts {
      //!
      //! Representation of an SVC_extension_descriptor.
      //! @see ISO/IEC 13818-1, ITU-T Rec. H.222.0, 2.6.76.
      //! @ingroup descriptor
      //!
      class TSDUCKDLL SVCExtensionDescriptor : public AbstractDescriptor
      {
      public:
          // SVCExtensionDescriptor public members:
          uint16_t width;                    //!< In pixels
          uint16_t height;                   //!< In pixels
          uint16_t frame_rate;               //!< In frames / 256 seconds
          uint16_t average_bitrate;          //!< In kb/s
          uint16_t maximum_bitrate;          //!< In kb/s
          uint8_t  dependency_id;            //!< 3 bits
          uint8_t  quality_id_start;         //!< 4 bits
          uint8_t  quality_id_end;           //!< 4 bits
          uint8_t  temporal_id_start;        //!< 3 bits
          uint8_t  temporal_id_end;          //!< 3 bits
          bool     no_sei_nal_unit_present;  //!< 1 bit
  
          //!
          //! Default constructor.
          //!
          SVCExtensionDescriptor();
  
          //!
          //! Constructor from a binary descriptor
          //! @param [in,out] duck TSDuck execution context.
          //! @param [in] bin A binary descriptor to deserialize.
          //!
          SVCExtensionDescriptor(DuckContext& duck, const Descriptor& bin);
  
          // Inherited methods
          DeclareDisplayDescriptor();
  
      protected:
          // Inherited methods
          virtual void clearContent() override;
          virtual void serializePayload(PSIBuffer&) const override;
          virtual void deserializePayload(PSIBuffer&) override;
          virtual void buildXML(DuckContext&, xml::Element*) const override;
          virtual bool analyzeXML(DuckContext&, const xml::Element*) override;
      };
  }
  