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authorCarl Hetherington <cth@carlh.net>2013-09-25 21:31:10 +0100
committerCarl Hetherington <cth@carlh.net>2013-09-25 21:31:10 +0100
commit566608b965e8ec0e08d9de128405d22ec7fedcd6 (patch)
tree2fda53a5d6adb9427d0f1f5c1a5af050eddc44d9 /src/picture_asset_writer_common.cc
parentf76647abae551840a43bb8f07189051ec20bab6d (diff)
Split up some files.
Diffstat (limited to 'src/picture_asset_writer_common.cc')
-rw-r--r--src/picture_asset_writer_common.cc59
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;
+}