2 Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 using boost::shared_ptr;
25 : frame_buffer (4 * Kumu::Megabyte)
28 ASDCP::JP2K::CodestreamParser j2k_parser;
29 ASDCP::JP2K::FrameBuffer frame_buffer;
30 ASDCP::WriterInfo writer_info;
31 ASDCP::JP2K::PictureDescriptor picture_descriptor;
32 ASDCP::AESEncContext* encryption_context;
35 template <class P, class Q>
36 void dcp::start (PictureAssetWriter* writer, shared_ptr<P> state, Q* asset, uint8_t* data, int size)
38 if (ASDCP_FAILURE (state->j2k_parser.OpenReadFrame (data, size, state->frame_buffer))) {
39 boost::throw_exception (MiscError ("could not parse J2K frame"));
42 state->j2k_parser.FillPictureDescriptor (state->picture_descriptor);
43 state->picture_descriptor.EditRate = ASDCP::Rational (asset->edit_rate(), 1);
45 asset->fill_writer_info (&state->writer_info);
47 Kumu::Result_t r = state->mxf_writer.OpenWrite (
48 asset->path().string().c_str(),
50 state->picture_descriptor,
55 if (ASDCP_FAILURE (r)) {
56 boost::throw_exception (MXFFileError ("could not open MXF file for writing", asset->path().string(), r));
59 writer->_started = true;