diff options
| author | Carl Hetherington <cth@carlh.net> | 2014-07-01 18:56:20 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2014-07-01 18:56:20 +0100 |
| commit | a6c2aa6cad5872d27654553d447cb34185317974 (patch) | |
| tree | 10ba8193ede6ce927300d62354c56a5af236f4e0 /src/lib/encoded_data.cc | |
| parent | 096660d2cc3e65ae5e13a69e7ace19ff0d48b39a (diff) | |
Split EncodedData classes into their own file.
Diffstat (limited to 'src/lib/encoded_data.cc')
| -rw-r--r-- | src/lib/encoded_data.cc | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/lib/encoded_data.cc b/src/lib/encoded_data.cc new file mode 100644 index 000000000..fffc4d91f --- /dev/null +++ b/src/lib/encoded_data.cc @@ -0,0 +1,115 @@ +/* + 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 "encoded_data.h" +#include "cross.h" +#include "exceptions.h" +#include "film.h" + +#include "i18n.h" + +using boost::shared_ptr; + +EncodedData::EncodedData (int s) + : _data (new uint8_t[s]) + , _size (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 fin) const +{ + boost::filesystem::path const info = film->info_path (frame, eyes); + FILE* h = fopen_boost (info, "w"); + fin.write (h); + fclose (h); +} + +/** 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) +{ + +} |
