src/asset.cc

   1 /*
   2     Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 /** @file  src/asset.cc
  21  *  @brief Parent class for assets of DCPs.
  22  */
  23
  24 #include <iostream>
  25 #include <boost/filesystem.hpp>
  26 #include "AS_DCP.h"
  27 #include "KM_util.h"
  28 #include "asset.h"
  29 #include "util.h"
  30 #include "metadata.h"
  31
  32 using namespace std;
  33 using namespace boost;
  34 using namespace libdcp;
  35
  36 Asset::Asset (string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int length)
  37         : _directory (directory)
  38         , _mxf_name (mxf_name)
  39         , _progress (progress)
  40         , _fps (fps)
  41         , _length (length)
  42         , _uuid (make_uuid ())
  43 {
  44
  45 }
  46
  47 void
  48 Asset::write_to_pkl (ostream& s) const
  49 {
  50         s << "    <Asset>\n"
  51           << "      <Id>urn:uuid:" << _uuid << "</Id>\n"
  52           << "      <AnnotationText>" << _mxf_name << "</AnnotationText>\n"
  53           << "      <Hash>" << _digest << "</Hash>\n"
  54           << "      <Size>" << filesystem::file_size(mxf_path()) << "</Size>\n"
  55           << "      <Type>application/mxf</Type>\n"
  56           << "    </Asset>\n";
  57 }
  58
  59 void
  60 Asset::write_to_assetmap (ostream& s) const
  61 {
  62         s << "    <Asset>\n"
  63           << "      <Id>urn:uuid:" << _uuid << "</Id>\n"
  64           << "      <ChunkList>\n"
  65           << "        <Chunk>\n"
  66           << "          <Path>" << _mxf_name << "</Path>\n"
  67           << "          <VolumeIndex>1</VolumeIndex>\n"
  68           << "          <Offset>0</Offset>\n"
  69           << "          <Length>" << filesystem::file_size(mxf_path()) << "</Length>\n"
  70           << "        </Chunk>\n"
  71           << "      </ChunkList>\n"
  72           << "    </Asset>\n";
  73 }
  74
  75 void
  76 Asset::fill_writer_info (ASDCP::WriterInfo* writer_info) const
  77 {
  78         writer_info->ProductVersion = Metadata::instance()->product_version;
  79         writer_info->CompanyName = Metadata::instance()->company_name;
  80         writer_info->ProductName = Metadata::instance()->product_name.c_str();
  81
  82         writer_info->LabelSetType = ASDCP::LS_MXF_SMPTE;
  83         unsigned int c;
  84         Kumu::hex2bin (_uuid.c_str(), writer_info->AssetUUID, Kumu::UUID_Length, &c);
  85         assert (c == Kumu::UUID_Length);
  86 }
  87
  88 filesystem::path
  89 Asset::mxf_path () const
  90 {
  91         filesystem::path p;
  92         p /= _directory;
  93         p /= _mxf_name;
  94         return p;
  95 }