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-rw-r--r--src/lib/atmos_mxf_decoder.cc65
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diff --git a/src/lib/atmos_mxf_decoder.cc b/src/lib/atmos_mxf_decoder.cc
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+++ b/src/lib/atmos_mxf_decoder.cc
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+/*
+ Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "atmos_content.h"
+#include "atmos_decoder.h"
+#include "atmos_mxf_content.h"
+#include "atmos_mxf_decoder.h"
+#include "dcpomatic_time.h"
+#include <dcp/atmos_asset.h>
+#include <dcp/atmos_asset_reader.h>
+
+using boost::shared_ptr;
+
+AtmosMXFDecoder::AtmosMXFDecoder (boost::shared_ptr<const Film> film, boost::shared_ptr<const AtmosMXFContent> content)
+ : Decoder (film)
+ , _content (content)
+{
+ atmos.reset (new AtmosDecoder(this, content));
+
+ shared_ptr<dcp::AtmosAsset> asset (new dcp::AtmosAsset(_content->path(0)));
+ _reader = asset->start_read ();
+ _metadata = AtmosMetadata (asset);
+}
+
+
+bool
+AtmosMXFDecoder::pass ()
+{
+ double const vfr = _content->active_video_frame_rate (film());
+ int64_t const frame = _next.frames_round (vfr);
+
+ if (frame >= _content->atmos->length()) {
+ return true;
+ }
+
+ atmos->emit (film(), _reader->get_frame(frame), frame, *_metadata);
+ _next += dcpomatic::ContentTime::from_frames (1, vfr);
+ return false;
+}
+
+
+void
+AtmosMXFDecoder::seek (dcpomatic::ContentTime t, bool accurate)
+{
+ Decoder::seek (t, accurate);
+ _next = t;
+}
+