BOOST_FOREACH.

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

diff --git a/src/lib/decoder_factory.cc b/src/lib/decoder_factory.cc
index f7f9f4074c52ae50c6e617d1bc22d967f44ff752..1acef6f4fbe9326d8b50d0f59050f0489a55e6bc 100644 (file)
--- a/src/lib/decoder_factory.cc
+++ b/src/lib/decoder_factory.cc
@@ -1,60 +1,99 @@
 /*
-    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 "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, DecodeOptions o
-       )
+#include "dcp_content.h"
+#include "dcp_decoder.h"
+#include "image_content.h"
+#include "image_decoder.h"
+#include "string_text_file_content.h"
+#include "string_text_file_decoder.h"
+#include "dcp_subtitle_content.h"
+#include "dcp_subtitle_decoder.h"
+#include "video_mxf_content.h"
+#include "video_mxf_decoder.h"
+#include "timer.h"
+
+using std::list;
+using std::shared_ptr;
+using std::dynamic_pointer_cast;
+
+template <class T>
+shared_ptr<T>
+maybe_cast (shared_ptr<Decoder> d)
+{
+       if (!d) {
+               return shared_ptr<T> ();
+       }
+       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)
 {
-       if (f->content().empty()) {
-               return Decoders ();
+       shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (content);
+       if (fc) {
+               return shared_ptr<Decoder> (new FFmpegDecoder(film, fc, fast));
        }
-       
-       if (boost::filesystem::is_directory (f->content_path()) || f->content_type() == STILL) {
-               /* A single image file, or a directory of them */
-               return Decoders (
-                       shared_ptr<VideoDecoder> (new ImageMagickDecoder (f, o)),
-                       shared_ptr<AudioDecoder> (new SndfileDecoder (f, o))
-                       );
+
+       shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (content);
+       if (dc) {
+               try {
+                       return shared_ptr<Decoder> (new 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 shared_ptr<Decoder>();
+               }
+       }
+
+       shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (content);
+       if (ic) {
+               return shared_ptr<Decoder> (new ImageDecoder(film, ic));
+       }
+
+       shared_ptr<const StringTextFileContent> rc = dynamic_pointer_cast<const StringTextFileContent> (content);
+       if (rc) {
+               return shared_ptr<Decoder> (new StringTextFileDecoder(film, rc));
+       }
+
+       shared_ptr<const DCPSubtitleContent> dsc = dynamic_pointer_cast<const DCPSubtitleContent> (content);
+       if (dsc) {
+               return shared_ptr<Decoder> (new DCPSubtitleDecoder(film, dsc));
+       }
+
+       shared_ptr<const VideoMXFContent> vmc = dynamic_pointer_cast<const VideoMXFContent> (content);
+       if (vmc) {
+               return shared_ptr<Decoder> (new VideoMXFDecoder(film, vmc));
        }
 
-       shared_ptr<FFmpegDecoder> fd (new FFmpegDecoder (f, o));
-       if (f->use_content_audio()) {
-               return Decoders (fd, fd);
+       shared_ptr<const AtmosMXFContent> amc = dynamic_pointer_cast<const AtmosMXFContent> (content);
+       if (amc) {
+               return shared_ptr<Decoder> (new AtmosMXFDecoder(film, amc));
        }
 
-       return Decoders (fd, shared_ptr<AudioDecoder> (new SndfileDecoder (f, o)));
+       return shared_ptr<Decoder> ();
 }