Use plain git hash for VERSION when there is no exact tag.

[dcpomatic.git] / src / lib / decoder_factory.cc

diff --git a/src/lib/decoder_factory.cc b/src/lib/decoder_factory.cc
index 7940edc2ea257466cd15285ec851d74a1368f526..1bda93c9477c26de99946674b5481005cc389059 100644 (file)
--- a/src/lib/decoder_factory.cc
+++ b/src/lib/decoder_factory.cc
@@ -1,43 +1,103 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2020 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-/** @file  src/decoder_factory.cc
- *  @brief A method to create an appropriate decoder for some content.
- */
 
-#include <boost/filesystem.hpp>
+#include "atmos_mxf_content.h"
+#include "atmos_mxf_decoder.h"
+#include "dcp_content.h"
+#include "dcp_decoder.h"
+#include "dcp_subtitle_content.h"
+#include "dcp_subtitle_decoder.h"
+#include "ffmpeg_content.h"
 #include "ffmpeg_decoder.h"
-#include "imagemagick_decoder.h"
-#include "film.h"
-#include "sndfile_decoder.h"
-#include "decoder_factory.h"
-
-using std::string;
-using std::pair;
-using std::make_pair;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
-
-Decoders
-decoder_factory (
-       shared_ptr<Film> f
-       )
+#include "image_content.h"
+#include "image_decoder.h"
+#include "string_text_file_content.h"
+#include "string_text_file_decoder.h"
+#include "timer.h"
+#include "video_mxf_content.h"
+#include "video_mxf_decoder.h"
+
+
+using std::dynamic_pointer_cast;
+using std::list;
+using std::make_shared;
+using std::shared_ptr;
+
+
+template <class T>
+shared_ptr<T>
+maybe_cast (shared_ptr<Decoder> d)
+{
+       if (!d) {
+               return {};
+       }
+       return dynamic_pointer_cast<T> (d);
+}
+
+/**
+   @param tolerant true to proceed in the face of `survivable' errors, otherwise false.
+   @param old_decoder A `used' decoder that has been previously made for this piece of content, or 0
+*/
+shared_ptr<Decoder>
+decoder_factory (shared_ptr<const Film> film, shared_ptr<const Content> content, bool fast, bool tolerant, shared_ptr<Decoder> old_decoder)
 {
-       return Decoders ();
+       auto fc = dynamic_pointer_cast<const FFmpegContent> (content);
+       if (fc) {
+               return make_shared<FFmpegDecoder>(film, fc, fast);
+       }
+
+       auto dc = dynamic_pointer_cast<const DCPContent> (content);
+       if (dc) {
+               try {
+                       return make_shared<DCPDecoder>(film, dc, fast, tolerant, maybe_cast<DCPDecoder>(old_decoder));
+               } catch (KDMError& e) {
+                       /* This will be found and reported to the user when the content is examined */
+                       return {};
+               }
+       }
+
+       auto ic = dynamic_pointer_cast<const ImageContent> (content);
+       if (ic) {
+               return make_shared<ImageDecoder>(film, ic);
+       }
+
+       auto rc = dynamic_pointer_cast<const StringTextFileContent> (content);
+       if (rc) {
+               return make_shared<StringTextFileDecoder>(film, rc);
+       }
+
+       auto dsc = dynamic_pointer_cast<const DCPSubtitleContent> (content);
+       if (dsc) {
+               return make_shared<DCPSubtitleDecoder>(film, dsc);
+       }
+
+       auto vmc = dynamic_pointer_cast<const VideoMXFContent> (content);
+       if (vmc) {
+               return make_shared<VideoMXFDecoder>(film, vmc);
+       }
+
+       auto amc = dynamic_pointer_cast<const AtmosMXFContent> (content);
+       if (amc) {
+               return make_shared<AtmosMXFDecoder>(film, amc);
+       }
+
+       return {};
 }