Give DCPDecoder its own ::position which just returns its internal

[dcpomatic.git] / src / lib / dcp_decoder.h

diff --git a/src/lib/dcp_decoder.h b/src/lib/dcp_decoder.h
index 3a05325c744ec195ed0b3320193840804b4e4dc1..4de8c86299a0af3fc096387f6f3ea3bab3a77033 100644 (file)
--- a/src/lib/dcp_decoder.h
+++ b/src/lib/dcp_decoder.h
@@ -1,19 +1,20 @@
 /*
-    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/>.
 
 */
 
@@ -21,9 +22,12 @@
  *  @brief A decoder of existing DCPs.
  */
 
-#include "video_decoder.h"
-#include "audio_decoder.h"
-#include "subtitle_decoder.h"
+#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;
@@ -31,21 +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>);
+       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);
+
+       bool pass ();
+       void seek (dcpomatic::ContentTime t, bool accurate);
+
+       std::string lazy_digest () const {
+               return _lazy_digest;
+       }
+
+       dcpomatic::ContentTime position () const;
 
 private:
-       bool pass (PassReason);
-       void seek (ContentTime t, bool accurate);
-       
-       std::list<ContentTimePeriod> image_subtitles_during (ContentTimePeriod, bool starting) const;
-       std::list<ContentTimePeriod> text_subtitles_during (ContentTimePeriod, bool starting) const;
+       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;
 
-       ContentTime _next;
+       /** 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<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;
 };