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/*
Copyright (C) 2012-2014 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"
#include "dcp_assert.h"
using std::string;
using std::pair;
using std::make_pair;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using namespace dcp;
StereoPictureAsset::StereoPictureAsset (boost::filesystem::path file)
: PictureAsset (file)
{
ASDCP::JP2K::MXFSReader reader;
Kumu::Result_t r = reader.OpenRead (file.string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
}
ASDCP::JP2K::PictureDescriptor desc;
if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
boost::throw_exception (PackageReadError ("could not read video MXF information"));
}
read_picture_descriptor (desc);
ASDCP::WriterInfo info;
if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
boost::throw_exception (PackageReadError ("could not read video MXF information"));
}
_id = read_writer_info (info);
}
StereoPictureAsset::StereoPictureAsset (Fraction edit_rate)
: PictureAsset
(edit_rate)
{
}
shared_ptr<const StereoPictureFrame>
StereoPictureAsset::get_frame (int n) const
{
return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (file().string(), n));
}
shared_ptr<PictureAssetWriter>
StereoPictureAsset::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
{
return shared_ptr<StereoPictureAssetWriter> (new StereoPictureAssetWriter (this, file, standard, overwrite));
}
bool
StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
{
ASDCP::JP2K::MXFSReader reader_A;
Kumu::Result_t r = reader_A.OpenRead (file().string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", file().string(), r));
}
ASDCP::JP2K::MXFSReader reader_B;
r = reader_B.OpenRead (other->file().string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", file().string(), r));
}
ASDCP::JP2K::PictureDescriptor desc_A;
if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
boost::throw_exception (PackageReadError ("could not read video MXF information"));
}
ASDCP::JP2K::PictureDescriptor desc_B;
if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
boost::throw_exception (PackageReadError ("could not read video MXF information"));
}
if (!descriptor_equals (desc_A, desc_B, note)) {
return false;
}
shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
DCP_ASSERT (other_picture);
bool result = true;
for (int i = 0; i < _intrinsic_duration; ++i) {
shared_ptr<const StereoPictureFrame> frame_A;
shared_ptr<const StereoPictureFrame> frame_B;
try {
frame_A = get_frame (i);
frame_B = other_picture->get_frame (i);
} catch (PackageReadError& e) {
/* If there was a problem reading the frame data we'll just assume
the two frames are not equal.
*/
note (DCP_ERROR, e.what ());
return false;
}
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()
)) {
result = false;
if (!opt.keep_going) {
return result;
}
}
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()
)) {
result = false;
if (!opt.keep_going) {
return result;
}
}
}
return result;
}
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