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/*
Copyright (C) 2012-2015 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 "encoded_data.h"
#include "cross.h"
#include "exceptions.h"
#include "film.h"
#include "dcpomatic_socket.h"
#include "i18n.h"
using boost::shared_ptr;
EncodedData::EncodedData (int s)
: _data (new uint8_t[s])
, _size (s)
{
}
EncodedData::EncodedData (uint8_t const * d, int s)
: _data (new uint8_t[s])
, _size (s)
{
memcpy (_data, d, s);
}
EncodedData::EncodedData (boost::filesystem::path file)
{
_size = boost::filesystem::file_size (file);
_data = new uint8_t[_size];
FILE* f = fopen_boost (file, "rb");
if (!f) {
throw FileError (_("could not open file for reading"), file);
}
size_t const r = fread (_data, 1, _size, f);
if (r != size_t (_size)) {
fclose (f);
throw FileError (_("could not read encoded data"), file);
}
fclose (f);
}
EncodedData::~EncodedData ()
{
delete[] _data;
}
/** Write this data to a J2K file.
* @param Film Film.
* @param frame DCP frame index.
*/
void
EncodedData::write (shared_ptr<const Film> film, int frame, Eyes eyes) const
{
boost::filesystem::path const tmp_j2c = film->j2c_path (frame, eyes, true);
FILE* f = fopen_boost (tmp_j2c, "wb");
if (!f) {
throw WriteFileError (tmp_j2c, errno);
}
fwrite (_data, 1, _size, f);
fclose (f);
boost::filesystem::path const real_j2c = film->j2c_path (frame, eyes, false);
/* Rename the file from foo.j2c.tmp to foo.j2c now that it is complete */
boost::filesystem::rename (tmp_j2c, real_j2c);
}
void
EncodedData::write_info (shared_ptr<const Film> film, int frame, Eyes eyes, dcp::FrameInfo info) const
{
FILE* file = fopen_boost (film->info_file(), "ab");
if (!file) {
throw OpenFileError (film->info_file ());
}
write_frame_info (file, frame, eyes, info);
fclose (file);
}
/** Send this data to a socket.
* @param socket Socket
*/
void
EncodedData::send (shared_ptr<Socket> socket)
{
socket->write (_size);
socket->write (_data, _size);
}
LocallyEncodedData::LocallyEncodedData (uint8_t* d, int s)
: EncodedData (s)
{
memcpy (_data, d, s);
}
/** @param s Size of data in bytes */
RemotelyEncodedData::RemotelyEncodedData (int s)
: EncodedData (s)
{
}
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