Add Atmos read/write and untested MXF decryption tool.

[libdcp.git] / src / atmos_asset_writer.h

diff --git a/src/atmos_asset_writer.h b/src/atmos_asset_writer.h
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+/*
+    Copyright (C) 2016 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/atmos_asset_writer.h
+ *  @brief AtmosAssetWriter class.
+ */
+
+#include "asset_writer.h"
+#include "types.h"
+#include "atmos_frame.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/filesystem.hpp>
+
+namespace dcp {
+
+class AtmosAsset;
+
+/** @class AtmosAssetWriter
+ *  @brief A helper class for writing to AtmosAssets.
+ *
+ *  Objects of this class can only be created with AtmosAsset::start_write().
+ */
+class AtmosAssetWriter : public AssetWriter
+{
+public:
+       void write (uint8_t const * data, int size);
+       bool finalize ();
+
+private:
+       friend class AtmosAsset;
+
+       AtmosAssetWriter (AtmosAsset *, boost::filesystem::path);
+
+       /* do this with an opaque pointer so we don't have to include
+          ASDCP headers
+       */
+       struct ASDCPState;
+       boost::shared_ptr<ASDCPState> _state;
+
+       AtmosAsset* _asset;
+};
+
+}