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Diffstat (limited to 'src/stereo_picture_mxf.cc')
| -rw-r--r-- | src/stereo_picture_mxf.cc | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/stereo_picture_mxf.cc b/src/stereo_picture_mxf.cc new file mode 100644 index 00000000..29283746 --- /dev/null +++ b/src/stereo_picture_mxf.cc @@ -0,0 +1,150 @@ +/* + Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net> + + This program 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, + 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. + +*/ + +#include "AS_DCP.h" +#include "stereo_picture_mxf.h" +#include "stereo_picture_frame.h" +#include "exceptions.h" +#include "stereo_picture_mxf_writer.h" + +using std::string; +using std::pair; +using std::make_pair; +using boost::shared_ptr; +using boost::dynamic_pointer_cast; +using namespace dcp; + +bool +StereoPictureMXF::equals (shared_ptr<const ContentAsset> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const +{ + if (!MXF::equals (other, opt, note)) { + return false; + } + + ASDCP::JP2K::MXFSReader reader_A; + Kumu::Result_t r = reader_A.OpenRead (path().string().c_str()); + if (ASDCP_FAILURE (r)) { + boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r)); + } + + ASDCP::JP2K::MXFSReader reader_B; + r = reader_B.OpenRead (other->path().string().c_str()); + if (ASDCP_FAILURE (r)) { + boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r)); + } + + ASDCP::JP2K::PictureDescriptor desc_A; + if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) { + boost::throw_exception (DCPReadError ("could not read video MXF information")); + } + ASDCP::JP2K::PictureDescriptor desc_B; + if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) { + boost::throw_exception (DCPReadError ("could not read video MXF information")); + } + + if (!descriptor_equals (desc_A, desc_B, note)) { + return false; + } + + shared_ptr<const StereoPictureMXF> other_picture = dynamic_pointer_cast<const StereoPictureMXF> (other); + assert (other_picture); + + for (int i = 0; i < _intrinsic_duration; ++i) { + shared_ptr<const StereoPictureFrame> frame_A = get_frame (i); + shared_ptr<const StereoPictureFrame> frame_B = other_picture->get_frame (i); + + if (!frame_buffer_equals ( + i, opt, note, + frame_A->left_j2k_data(), frame_A->left_j2k_size(), + frame_B->left_j2k_data(), frame_B->left_j2k_size() + )) { + return false; + } + + if (!frame_buffer_equals ( + i, opt, note, + frame_A->right_j2k_data(), frame_A->right_j2k_size(), + frame_B->right_j2k_data(), frame_B->right_j2k_size() + )) { + return false; + } + } + + return true; +} + +StereoPictureMXF::StereoPictureMXF (boost::filesystem::path directory, boost::filesystem::path mxf_name) + : PictureMXF (directory, mxf_name) +{ + +} + +void +StereoPictureMXF::read () +{ + ASDCP::JP2K::MXFSReader reader; + Kumu::Result_t r = reader.OpenRead (path().string().c_str()); + if (ASDCP_FAILURE (r)) { + boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string(), r)); + } + + ASDCP::JP2K::PictureDescriptor desc; + if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) { + boost::throw_exception (DCPReadError ("could not read video MXF information")); + } + + _size.width = desc.StoredWidth; + _size.height = desc.StoredHeight; +} + +shared_ptr<const StereoPictureFrame> +StereoPictureMXF::get_frame (int n) const +{ + return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n)); +} + +shared_ptr<PictureMXFWriter> +StereoPictureMXF::start_write (bool overwrite) +{ + return shared_ptr<StereoPictureMXFWriter> (new StereoPictureMXFWriter (this, overwrite)); +} + +string +StereoPictureMXF::cpl_node_name () const +{ + return "msp-cpl:MainStereoscopicPicture"; +} + +pair<string, string> +StereoPictureMXF::cpl_node_attribute () const +{ + if (_interop) { + return make_pair ("xmlns:msp-cpl", "http://www.digicine.com/schemas/437-Y/2007/Main-Stereo-Picture-CPL"); + } else { + return make_pair ("xmlns:msp-cpl", "http://www.smpte-ra.org/schemas/429-10/2008/Main-Stereo-Picture-CPL"); + } + + return make_pair ("", ""); +} + +int +StereoPictureMXF::edit_rate_factor () const +{ + return 2; +} |