diff options
| author | Carl Hetherington <cth@carlh.net> | 2023-11-08 23:22:35 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2024-04-18 12:10:56 +0200 |
| commit | 5be0255a86726287d7c648adcb8f09f3393f4872 (patch) | |
| tree | 1fb38d681a2eaec4c7dddb858432ef4d696a7901 /src/stereo_j2k_picture_asset_writer.h | |
| parent | 816365d20e0c6ef37b6bf499a42a0d3ecad22c05 (diff) | |
Rename files to mention J2K.
Diffstat (limited to 'src/stereo_j2k_picture_asset_writer.h')
| -rw-r--r-- | src/stereo_j2k_picture_asset_writer.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/stereo_j2k_picture_asset_writer.h b/src/stereo_j2k_picture_asset_writer.h new file mode 100644 index 00000000..1cee1202 --- /dev/null +++ b/src/stereo_j2k_picture_asset_writer.h @@ -0,0 +1,89 @@ +/* + Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net> + + This file is part of libdcp. + + libdcp 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. + + libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>. + + In addition, as a special exception, the copyright holders give + permission to link the code of portions of this program with the + OpenSSL library under certain conditions as described in each + individual source file, and distribute linked combinations + including the two. + + You must obey the GNU General Public License in all respects + for all of the code used other than OpenSSL. If you modify + file(s) with this exception, you may extend this exception to your + version of the file(s), but you are not obligated to do so. If you + do not wish to do so, delete this exception statement from your + version. If you delete this exception statement from all source + files in the program, then also delete it here. +*/ + + +/** @file src/stereo_picture_asset_writer.h + * @brief StereoPictureAssetWriter class + */ + + +#include "picture_asset_writer.h" +#include <memory> +#include <stdint.h> +#include <string> + + +namespace dcp { + + +/** @class StereoPictureAssetWriter + * @brief A helper class for writing to StereoPictureAssets. + * + * Objects of this class can only be created with StereoPictureAsset::start_write(). + * + * Frames can be written to the StereoPictureAsset by calling write() with a JPEG2000 image + * (a verbatim .j2c file). finalize() should be called after the last frame has been written, + * but if it is not, it will be called by the destructor (though in that case any error + * during finalization will be ignored). + */ +class StereoPictureAssetWriter : public PictureAssetWriter +{ +public: + ~StereoPictureAssetWriter(); + + /** Write a frame for one eye. Frames must be written left, then right, then left etc. + * @param data JPEG2000 data. + * @param size Size of data. + */ + FrameInfo write (uint8_t const * data, int size) override; + void fake_write (int size) override; + bool finalize () override; + +private: + friend class StereoPictureAsset; + + StereoPictureAssetWriter (PictureAsset *, boost::filesystem::path file, bool); + void start (uint8_t const *, int); + + /* do this with an opaque pointer so we don't have to include + ASDCP headers + */ + + struct ASDCPState; + std::shared_ptr<ASDCPState> _state; + + dcp::Eye _next_eye = Eye::LEFT; +}; + + +} |
