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Diffstat (limited to 'src/lib/atmos_mxf_decoder.cc')
| -rw-r--r-- | src/lib/atmos_mxf_decoder.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/lib/atmos_mxf_decoder.cc b/src/lib/atmos_mxf_decoder.cc new file mode 100644 index 000000000..3f6f4a857 --- /dev/null +++ b/src/lib/atmos_mxf_decoder.cc @@ -0,0 +1,65 @@ +/* + 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; +} + |
