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/*
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_asset.h"
#include "stereo_picture_frame.h"
#include "exceptions.h"
#include "stereo_picture_asset_writer.h"
using std::string;
using std::pair;
using std::make_pair;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using namespace libdcp;
bool
StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
{
if (!PictureAsset::equals (other, opt, note)) {
return false;
}
shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (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;
}
StereoPictureAsset::StereoPictureAsset (boost::filesystem::path directory, string mxf_name)
: PictureAsset (directory, mxf_name)
{
}
void
StereoPictureAsset::read ()
{
ASDCP::JP2K::MXFSReader reader;
if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", path().string()));
}
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>
StereoPictureAsset::get_frame (int n) const
{
return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n));
}
shared_ptr<PictureAssetWriter>
StereoPictureAsset::start_write (bool overwrite)
{
return shared_ptr<StereoPictureAssetWriter> (new StereoPictureAssetWriter (this, overwrite));
}
string
StereoPictureAsset::cpl_node_name () const
{
return "msp-cpl:MainStereoscopicPicture";
}
pair<string, string>
StereoPictureAsset::cpl_node_attribute (bool interop) 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
StereoPictureAsset::edit_rate_factor () const
{
return 2;
}
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