src/lib/ffmpeg_content.h

   1 /*
   2     Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #ifndef DCPOMATIC_FFMPEG_CONTENT_H
  22 #define DCPOMATIC_FFMPEG_CONTENT_H
  23
  24 #ifdef DCPOMATIC_VARIANT_SWAROOP
  25 #include "encrypted_ecinema_kdm.h"
  26 #endif
  27 #include "content.h"
  28 #include "audio_stream.h"
  29
  30 struct AVFormatContext;
  31 struct AVStream;
  32
  33 class Filter;
  34 class FFmpegSubtitleStream;
  35 class FFmpegAudioStream;
  36 class VideoContent;
  37 struct ffmpeg_pts_offset_test;
  38 struct audio_sampling_rate_test;
  39
  40 class FFmpegContentProperty
  41 {
  42 public:
  43         static int const SUBTITLE_STREAMS;
  44         /** The chosen subtitle stream, or something about it */
  45         static int const SUBTITLE_STREAM;
  46         static int const FILTERS;
  47         static int const KDM;
  48 };
  49
  50 class FFmpegContent : public Content
  51 {
  52 public:
  53         FFmpegContent (boost::filesystem::path);
  54         FFmpegContent (cxml::ConstNodePtr, int version, std::list<std::string> &);
  55         FFmpegContent (std::vector<boost::shared_ptr<Content> >);
  56
  57         boost::shared_ptr<FFmpegContent> shared_from_this () {
  58                 return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
  59         }
  60
  61         boost::shared_ptr<const FFmpegContent> shared_from_this () const {
  62                 return boost::dynamic_pointer_cast<const FFmpegContent> (Content::shared_from_this ());
  63         }
  64
  65         void examine (boost::shared_ptr<const Film> film, boost::shared_ptr<Job>);
  66         void take_settings_from (boost::shared_ptr<const Content> c);
  67         std::string summary () const;
  68         std::string technical_summary () const;
  69         void as_xml (xmlpp::Node *, bool with_paths) const;
  70         dcpomatic::DCPTime full_length (boost::shared_ptr<const Film> film) const;
  71         dcpomatic::DCPTime approximate_length () const;
  72
  73         std::string identifier () const;
  74
  75         void set_default_colour_conversion ();
  76
  77         void set_filters (std::vector<Filter const *> const &);
  78
  79         std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
  80                 boost::mutex::scoped_lock lm (_mutex);
  81                 return _subtitle_streams;
  82         }
  83
  84         boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
  85                 boost::mutex::scoped_lock lm (_mutex);
  86                 return _subtitle_stream;
  87         }
  88
  89         std::vector<boost::shared_ptr<FFmpegAudioStream> > ffmpeg_audio_streams () const;
  90
  91         std::vector<Filter const *> filters () const {
  92                 boost::mutex::scoped_lock lm (_mutex);
  93                 return _filters;
  94         }
  95
  96         void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
  97
  98         boost::optional<dcpomatic::ContentTime> first_video () const {
  99                 boost::mutex::scoped_lock lm (_mutex);
 100                 return _first_video;
 101         }
 102
 103         void signal_subtitle_stream_changed ();
 104
 105 #ifdef DCPOMATIC_VARIANT_SWAROOP
 106
 107         bool encrypted () const {
 108                 boost::mutex::scoped_lock lm (_mutex);
 109                 return _encrypted;
 110         }
 111
 112         void add_kdm (EncryptedECinemaKDM kdm);
 113
 114         boost::optional<EncryptedECinemaKDM> kdm () const {
 115                 return _kdm;
 116         }
 117
 118         boost::optional<std::string> id () const {
 119                 return _id;
 120         }
 121
 122         bool kdm_timing_window_valid () const;
 123
 124 #endif
 125
 126 private:
 127         void add_properties (boost::shared_ptr<const Film> film, std::list<UserProperty> &) const;
 128
 129         friend struct ffmpeg_pts_offset_test;
 130         friend struct audio_sampling_rate_test;
 131
 132         std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
 133         boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
 134         boost::optional<dcpomatic::ContentTime> _first_video;
 135         /** Video filters that should be used when generating DCPs */
 136         std::vector<Filter const *> _filters;
 137
 138         boost::optional<AVColorRange> _color_range;
 139         boost::optional<AVColorPrimaries> _color_primaries;
 140         boost::optional<AVColorTransferCharacteristic> _color_trc;
 141         boost::optional<AVColorSpace> _colorspace;
 142         boost::optional<int> _bits_per_pixel;
 143 #ifdef DCPOMATIC_VARIANT_SWAROOP
 144         bool _encrypted;
 145         boost::optional<EncryptedECinemaKDM> _kdm;
 146         boost::optional<std::string> _id;
 147 #endif
 148 };
 149
 150 #endif