X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder_factory.cc;h=1bda93c9477c26de99946674b5481005cc389059;hb=182b9d2e2feb6545592868606aaf0f0146095481;hp=e9b5bfa9e755682f5d4bf72e1dba2b5c31dbadea;hpb=4fbd1901fdabc829cfa7e7d4d0c1272bba87033c;p=dcpomatic.git

diff --git a/src/lib/decoder_factory.cc b/src/lib/decoder_factory.cc
index e9b5bfa9e..1bda93c94 100644
--- a/src/lib/decoder_factory.cc
+++ b/src/lib/decoder_factory.cc
@@ -1,54 +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 "external_audio_decoder.h"
-
-using std::string;
-using std::pair;
-using std::make_pair;
-using boost::shared_ptr;
-
-pair<shared_ptr<VideoDecoder>, shared_ptr<AudioDecoder> >
-decoder_factory (
-	shared_ptr<Film> f, shared_ptr<const Options> o, Job* j
-	)
+#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 (boost::filesystem::is_directory (f->content_path()) || f->content_type() == STILL) {
-		/* A single image file, or a directory of them */
-		return make_pair (
-			shared_ptr<VideoDecoder> (new ImageMagickDecoder (f, o, j)),
-			shared_ptr<AudioDecoder> ()
-			);
+	if (!d) {
+		return {};
 	}
+	return dynamic_pointer_cast<T> (d);
+}
 
-	shared_ptr<FFmpegDecoder> fd (new FFmpegDecoder (f, o, j));
-	if (f->use_content_audio()) {
-		return make_pair (fd, fd);
+/**
+   @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)
+{
+	auto fc = dynamic_pointer_cast<const FFmpegContent> (content);
+	if (fc) {
+		return make_shared<FFmpegDecoder>(film, fc, fast);
 	}
-	
-	return make_pair (fd, shared_ptr<AudioDecoder> (new ExternalAudioDecoder (f, o, j)));
+
+	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 {};
 }