2 Copyright (C) 2016-2017 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/>.
21 #include "video_mxf_decoder.h"
22 #include "video_decoder.h"
23 #include "video_mxf_content.h"
24 #include "j2k_image_proxy.h"
25 #include <dcp/mono_picture_asset.h>
26 #include <dcp/mono_picture_asset_reader.h>
27 #include <dcp/stereo_picture_asset.h>
28 #include <dcp/stereo_picture_asset_reader.h>
29 #include <dcp/exceptions.h>
31 using boost::shared_ptr;
32 using boost::optional;
34 VideoMXFDecoder::VideoMXFDecoder (shared_ptr<const Film> film, shared_ptr<const VideoMXFContent> content)
38 video.reset (new VideoDecoder (this, content));
40 shared_ptr<dcp::MonoPictureAsset> mono;
42 mono.reset (new dcp::MonoPictureAsset (_content->path(0)));
43 } catch (dcp::MXFFileError& e) {
44 /* maybe it's stereo */
45 } catch (dcp::DCPReadError& e) {
46 /* maybe it's stereo */
49 shared_ptr<dcp::StereoPictureAsset> stereo;
51 stereo.reset (new dcp::StereoPictureAsset (_content->path(0)));
52 } catch (dcp::MXFFileError& e) {
56 } catch (dcp::DCPReadError& e) {
63 _mono_reader = mono->start_read ();
64 _size = mono->size ();
66 _stereo_reader = stereo->start_read ();
67 _size = stereo->size ();
72 VideoMXFDecoder::pass ()
74 double const vfr = _content->active_video_frame_rate (film());
75 int64_t const frame = _next.frames_round (vfr);
78 if (frame >= _content->video->length()) {
85 shared_ptr<ImageProxy> (
86 new J2KImageProxy (_mono_reader->get_frame(frame), _size, AV_PIX_FMT_XYZ12LE, optional<int>())
93 shared_ptr<ImageProxy> (
94 new J2KImageProxy (_stereo_reader->get_frame(frame), _size, dcp::EYE_LEFT, AV_PIX_FMT_XYZ12LE, optional<int>())
100 shared_ptr<ImageProxy> (
101 new J2KImageProxy (_stereo_reader->get_frame(frame), _size, dcp::EYE_RIGHT, AV_PIX_FMT_XYZ12LE, optional<int>())
107 _next += ContentTime::from_frames (1, vfr);
112 VideoMXFDecoder::seek (ContentTime t, bool accurate)
114 Decoder::seek (t, accurate);