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.
*/
#ifndef LIBDCP_ASSET_READER_H
#define LIBDCP_ASSET_READER_H
-namespace ASDCP {
- class AESDecContext;
-}
+#include "dcp_assert.h"
+#include "asset.h"
+#include "crypto_context.h"
+#include <asdcp/AS_DCP.h>
+#include <boost/noncopyable.hpp>
+#include <memory>
namespace dcp {
-class MXF;
-
-class AssetReader
+template <class R, class F>
+class AssetReader : public boost::noncopyable
{
public:
- AssetReader (MXF const * mxf);
- virtual ~AssetReader ();
+ explicit AssetReader (Asset const * asset, boost::optional<Key> key, Standard standard)
+ : _crypto_context (new DecryptionContext (key, standard))
+ {
+ _reader = new R ();
+ DCP_ASSERT (asset->file ());
+ Kumu::Result_t const r = _reader->OpenRead (asset->file()->string().c_str());
+ if (ASDCP_FAILURE (r)) {
+ delete _reader;
+ boost::throw_exception (FileError ("could not open MXF file for reading", asset->file().get(), r));
+ }
+ }
+
+ ~AssetReader ()
+ {
+ delete _reader;
+ }
+
+ std::shared_ptr<const F> get_frame (int n) const
+ {
+ return std::shared_ptr<const F> (new F (_reader, n, _crypto_context));
+ }
+
+ R* reader () const {
+ return _reader;
+ }
protected:
- ASDCP::AESDecContext* _decryption_context;
+ R* _reader;
+ std::shared_ptr<DecryptionContext> _crypto_context;
};
}