Line data    Source code

       1             : 
       2             : /*
       3             :  * Copyright (c) 2010, Eyescale Software GmbH <info@eyescale.ch>
       4             :  *               2013, Stefan.Eilemann@epfl.ch
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #ifndef LUNCHBOX_PLUGIN_COMPRESSORTURBOJPEG
      21             : #define LUNCHBOX_PLUGIN_COMPRESSORTURBOJPEG
      22             : 
      23             : #include "compressor.h"
      24             : #include <turbojpeg.h>
      25             : #undef max
      26             : 
      27             : namespace lunchbox
      28             : {
      29             : namespace plugin
      30             : {
      31             : 
      32             : class CompressorTurboJPEG : public Compressor
      33             : {
      34             : public:
      35             :     explicit CompressorTurboJPEG( const unsigned name );
      36             :     virtual ~CompressorTurboJPEG();
      37             : 
      38             :     void compress( const void* const inData, const eq_uint64_t* inDims,
      39             :                    const eq_uint64_t flags ) override;
      40             : 
      41             :     static void decompress( const void* const* inData,
      42             :                             const eq_uint64_t* const inSizes,
      43             :                             const unsigned nInputs, void* const outData,
      44             :                             eq_uint64_t* const outDims, const eq_uint64_t flags,
      45             :                             void* const );
      46             : 
      47           0 :     static Compressor* getNewCompressor( const unsigned name )
      48           0 :         { return new CompressorTurboJPEG( name ); }
      49             : 
      50             : private:
      51             :     eq_uint64_t _quality;
      52             :     eq_uint64_t _tokenSize;
      53             :     eq_uint64_t _flags;
      54             : 
      55             :     void* _encoder;
      56             :     void* _decoder;
      57             : 
      58             :     void _decompress( const void* const* inData, const eq_uint64_t inSize,
      59             :                       const unsigned nInputs, void* const outData,
      60             :                       eq_uint64_t* const outDims, const bool useAlpha );
      61             :     void _extractAlpha( const unsigned char* inData,
      62             :                         const eq_uint64_t nPixels );
      63             :     void _addAlpha( const void* const inAlpha, unsigned* out,
      64             :                     const eq_uint64_t nPixels ) const;
      65             : };
      66             : 
      67             : }
      68             : }
      69             : #endif  // LUNCHBOX_PLUGIN_COMPRESSORTURBOJPEG