2 Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "video_mxf_decoder.h"
23 #include "video_decoder.h"
24 #include "video_mxf_content.h"
25 #include "j2k_image_proxy.h"
26 #include "frame_interval_checker.h"
27 #include <dcp/mono_picture_asset.h>
28 #include <dcp/mono_picture_asset_reader.h>
29 #include <dcp/stereo_picture_asset.h>
30 #include <dcp/stereo_picture_asset_reader.h>
31 #include <dcp/exceptions.h>
34 using std::make_shared;
35 using std::shared_ptr;
36 using boost::optional;
37 using namespace dcpomatic;
40 VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const Film> film, shared_ptr<const VideoMXFContent> content)
44 video = make_shared<VideoDecoder>(this, content);
47 auto mono = make_shared<dcp::MonoPictureAsset>(_content->path(0));
48 _mono_reader = mono->start_read ();
49 _mono_reader->set_check_hmac (false);
50 _size = mono->size ();
52 } catch (dcp::MXFFileError& e) {
53 /* maybe it's stereo */
54 } catch (dcp::ReadError& e) {
55 /* maybe it's stereo */
58 auto stereo = make_shared<dcp::StereoPictureAsset>(_content->path(0));
59 _stereo_reader = stereo->start_read ();
60 _stereo_reader->set_check_hmac (false);
61 _size = stereo->size ();
66 VideoMXFDecoder::pass ()
68 auto const vfr = _content->active_video_frame_rate (film());
69 auto const frame = _next.frames_round (vfr);
71 if (frame >= _content->video->length()) {
78 std::make_shared<J2KImageProxy>(_mono_reader->get_frame(frame), _size, AV_PIX_FMT_XYZ12LE, optional<int>()),
84 std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::LEFT, AV_PIX_FMT_XYZ12LE, optional<int>()),
89 std::make_shared<J2KImageProxy>(_stereo_reader->get_frame(frame), _size, dcp::Eye::RIGHT, AV_PIX_FMT_XYZ12LE, optional<int>()),
94 _next += ContentTime::from_frames (1, vfr);
100 VideoMXFDecoder::seek (ContentTime t, bool accurate)
102 Decoder::seek (t, accurate);