X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fdcp_decoder.h;h=4de8c86299a0af3fc096387f6f3ea3bab3a77033;hp=d81b20b5c30d2d4793870aa07e286155b55daf77;hb=efc3486f2acf36bd0dc7b5528e7b3110ea8c4afe;hpb=cc27c2716f755305d67f1e1ba828ecf37f8405dd

diff --git a/src/lib/dcp_decoder.h b/src/lib/dcp_decoder.h
index d81b20b5c..4de8c8629 100644
--- a/src/lib/dcp_decoder.h
+++ b/src/lib/dcp_decoder.h
@@ -1,25 +1,33 @@
 /*
-    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2016 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/>.
 
 */
 
-#include "video_decoder.h"
-#include "audio_decoder.h"
-#include "subtitle_decoder.h"
+/** @file  src/dcp_decoder.h
+ *  @brief A decoder of existing DCPs.
+ */
+
+#include "decoder.h"
+#include "dcp.h"
+#include <dcp/mono_picture_asset_reader.h>
+#include <dcp/stereo_picture_asset_reader.h>
+#include <dcp/sound_asset_reader.h>
+#include <dcp/subtitle_asset.h>
 
 namespace dcp {
 	class Reel;
@@ -27,20 +35,67 @@ namespace dcp {
 
 class DCPContent;
 class Log;
+struct dcp_subtitle_within_dcp_test;
 
-class DCPDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder
+class DCPDecoder : public DCP, public Decoder
 {
 public:
-	DCPDecoder (boost::shared_ptr<const DCPContent>, boost::shared_ptr<Log>);
+	DCPDecoder (
+		boost::shared_ptr<const Film> film,
+		boost::shared_ptr<const DCPContent>,
+		bool fast,
+		bool tolerant,
+		boost::shared_ptr<DCPDecoder> old
+		);
+
+	std::list<boost::shared_ptr<dcp::Reel> > reels () const {
+		return _reels;
+	}
+
+	void set_decode_referenced (bool r);
+	void set_forced_reduction (boost::optional<int> reduction);
 
-private:
-	void seek (ContentTime t, bool accurate);
 	bool pass ();
-	std::list<ContentTimePeriod> subtitles_during (ContentTimePeriod, bool starting) const;
+	void seek (dcpomatic::ContentTime t, bool accurate);
+
+	std::string lazy_digest () const {
+		return _lazy_digest;
+	}
+
+	dcpomatic::ContentTime position () const;
 
-	ContentTime _next;
+private:
+	friend struct dcp_subtitle_within_dcp_test;
+
+	void next_reel ();
+	void get_readers ();
+	void pass_texts (dcpomatic::ContentTime next, dcp::Size size);
+	void pass_texts (
+		dcpomatic::ContentTime next,
+		boost::shared_ptr<dcp::SubtitleAsset> asset,
+		bool reference,
+		int64_t entry_point,
+		boost::shared_ptr<TextDecoder> decoder,
+		dcp::Size size
+		);
+	std::string calculate_lazy_digest (boost::shared_ptr<const DCPContent>) const;
+
+	/** Time of next thing to return from pass relative to the start of _reel */
+	dcpomatic::ContentTime _next;
 	std::list<boost::shared_ptr<dcp::Reel> > _reels;
+
 	std::list<boost::shared_ptr<dcp::Reel> >::iterator _reel;
-	boost::shared_ptr<Log> _log;
-	boost::shared_ptr<const DCPContent> _dcp_content;
+	/** Offset of _reel from the start of the content in frames */
+	int64_t _offset;
+	/** Reader for current mono picture asset, if applicable */
+	boost::shared_ptr<dcp::MonoPictureAssetReader> _mono_reader;
+	/** Reader for current stereo picture asset, if applicable */
+	boost::shared_ptr<dcp::StereoPictureAssetReader> _stereo_reader;
+	/** Reader for current sound asset, if applicable */
+	boost::shared_ptr<dcp::SoundAssetReader> _sound_reader;
+
+	bool _decode_referenced;
+	boost::optional<int> _forced_reduction;
+
+	std::string _lazy_digest;
 };