diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-09-25 21:31:10 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-09-25 21:31:10 +0100 |
| commit | 566608b965e8ec0e08d9de128405d22ec7fedcd6 (patch) | |
| tree | 2fda53a5d6adb9427d0f1f5c1a5af050eddc44d9 /src/picture_asset_writer_common.cc | |
| parent | f76647abae551840a43bb8f07189051ec20bab6d (diff) | |
Split up some files.
Diffstat (limited to 'src/picture_asset_writer_common.cc')
| -rw-r--r-- | src/picture_asset_writer_common.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/picture_asset_writer_common.cc b/src/picture_asset_writer_common.cc new file mode 100644 index 00000000..94999131 --- /dev/null +++ b/src/picture_asset_writer_common.cc @@ -0,0 +1,59 @@ +/* + 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. + +*/ + +using boost::shared_ptr; + +struct ASDCPStateBase +{ + ASDCPStateBase () + : frame_buffer (4 * Kumu::Megabyte) + {} + + ASDCP::JP2K::CodestreamParser j2k_parser; + ASDCP::JP2K::FrameBuffer frame_buffer; + ASDCP::WriterInfo writer_info; + ASDCP::JP2K::PictureDescriptor picture_descriptor; + ASDCP::AESEncContext* encryption_context; +}; + +template <class P, class Q> +void libdcp::start (PictureAssetWriter* writer, shared_ptr<P> state, Q* asset, uint8_t* data, int size) +{ + if (ASDCP_FAILURE (state->j2k_parser.OpenReadFrame (data, size, state->frame_buffer))) { + boost::throw_exception (MiscError ("could not parse J2K frame")); + } + + state->j2k_parser.FillPictureDescriptor (state->picture_descriptor); + state->picture_descriptor.EditRate = ASDCP::Rational (asset->edit_rate(), 1); + + asset->fill_writer_info (&state->writer_info, asset->uuid(), writer->_asset->interop(), writer->_asset->metadata()); + + if (ASDCP_FAILURE (state->mxf_writer.OpenWrite ( + asset->path().string().c_str(), + state->writer_info, + state->picture_descriptor, + 16384, + writer->_overwrite) + )) { + + boost::throw_exception (MXFFileError ("could not open MXF file for writing", asset->path().string())); + } + + writer->_started = true; +} |
