C++11 tidying.

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

diff --git a/src/lib/video_mxf_decoder.cc b/src/lib/video_mxf_decoder.cc
index e8b787d8d45019a346b82bca55a9fe2d3c76d370..39c4a37fb865be99d11b0769bdaedec453050b37 100644 (file)
--- a/src/lib/video_mxf_decoder.cc
+++ b/src/lib/video_mxf_decoder.cc
@@ -1,79 +1,117 @@
 /*
-    Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2021 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_mxf_decoder.h"
 #include "video_decoder.h"
 #include "video_mxf_content.h"
 #include "j2k_image_proxy.h"
+#include "frame_interval_checker.h"
 #include <dcp/mono_picture_asset.h>
+#include <dcp/mono_picture_asset_reader.h>
 #include <dcp/stereo_picture_asset.h>
+#include <dcp/stereo_picture_asset_reader.h>
 #include <dcp/exceptions.h>
 
-using boost::shared_ptr;
 
-VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const VideoMXFContent> content, shared_ptr<Log> log)
-       : _content (content)
-{
-       video.reset (new VideoDecoder (this, content, log));
-}
+using std::make_shared;
+using std::shared_ptr;
+using boost::optional;
+using namespace dcpomatic;
 
-bool
-VideoMXFDecoder::pass (PassReason reason, bool)
+
+VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const Film> film, shared_ptr<const VideoMXFContent> content)
+       : Decoder (film)
+       , _content (content)
 {
+       video = make_shared<VideoDecoder>(this, content);
+
        shared_ptr<dcp::MonoPictureAsset> mono;
        try {
-               mono.reset (new dcp::MonoPictureAsset (_content->path(0)));
+               mono = make_shared<dcp::MonoPictureAsset>(_content->path(0));
        } catch (dcp::MXFFileError& e) {
                /* maybe it's stereo */
-       } catch (dcp::DCPReadError& e) {
+       } catch (dcp::ReadError& e) {
                /* maybe it's stereo */
        }
 
        shared_ptr<dcp::StereoPictureAsset> stereo;
        try {
-               stereo.reset (new dcp::StereoPictureAsset (_content->path(0)));
+               stereo = make_shared<dcp::StereoPictureAsset>(_content->path(0));
        } catch (dcp::MXFFileError& e) {
                if (!mono) {
                        throw;
                }
-       } catch (dcp::DCPReadError& e) {
+       } catch (dcp::ReadError& e) {
                if (!mono) {
                        throw;
                }
        }
 
-       double const vfr = _content->active_video_frame_rate ();
-       int64_t const frame = _next.frames_round (vfr);
-
        if (mono) {
-               video->give (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame(frame), mono->size())), frame);
+               _mono_reader = mono->start_read ();
+               _size = mono->size ();
        } else {
-               video->give (shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame(frame), stereo->size(), dcp::EYE_LEFT)), frame);
-               video->give (shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame(frame), stereo->size(), dcp::EYE_RIGHT)), frame);
+               _stereo_reader = stereo->start_read ();
+               _size = stereo->size ();
+       }
+}
+
+
+bool
+VideoMXFDecoder::pass ()
+{
+       auto const vfr = _content->active_video_frame_rate (film());
+       auto const frame = _next.frames_round (vfr);
+
+       if (frame >= _content->video->length()) {
+               return true;
+       }
+
+       if (_mono_reader) {
+               video->emit (
+                       film(),
+                       std::make_shared<J2KImageProxy>(_mono_reader->get_frame(frame), _size, AV_PIX_FMT_XYZ12LE, optional<int>()),
+                       frame
+                       );
+       } else {
+               video->emit (
+                       film(),
+                       std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::LEFT, AV_PIX_FMT_XYZ12LE, optional<int>()),
+                       frame
+                       );
+               video->emit (
+                       film(),
+                       std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::RIGHT, AV_PIX_FMT_XYZ12LE, optional<int>()),
+                       frame
+                       );
        }
 
        _next += ContentTime::from_frames (1, vfr);
+       return false;
 }
 
+
 void
 VideoMXFDecoder::seek (ContentTime t, bool accurate)
 {
-       video->seek (t, accurate);
+       Decoder::seek (t, accurate);
        _next = t;
 }