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/mono_picture_frame.cc
#include "util.h"
#include "rgb_xyz.h"
#include "colour_conversion.h"
-#include "KM_fileio.h"
-#include "AS_DCP.h"
#include "compose.hpp"
#include "j2k.h"
+#include "crypto_context.h"
+#include <asdcp/KM_fileio.h>
+#include <asdcp/AS_DCP.h>
using std::string;
-using boost::shared_ptr;
+using std::shared_ptr;
using boost::optional;
using namespace dcp;
MonoPictureFrame::MonoPictureFrame (boost::filesystem::path path)
{
boost::uintmax_t const size = boost::filesystem::file_size (path);
- _buffer = new ASDCP::JP2K::FrameBuffer (size);
+ _buffer.reset(new ASDCP::JP2K::FrameBuffer(size));
FILE* f = fopen_boost (path, "rb");
if (!f) {
boost::throw_exception (FileError ("could not open JPEG2000 file", path, errno));
}
- fread (j2k_data(), 1, size, f);
+ size_t n = fread (data(), 1, size, f);
+ if (n != size) {
+ boost::throw_exception (FileError ("could not read from JPEG2000 file", path, errno));
+ }
+
fclose (f);
_buffer->Size (size);
}
/** Make a picture frame from a 2D (monoscopic) asset.
- * @param path Path to the asset's MXF file.
+ * @param reader Reader for the asset's MXF file.
* @param n Frame within the asset, not taking EntryPoint into account.
* @param c Context for decryption, or 0.
*/
-MonoPictureFrame::MonoPictureFrame (boost::filesystem::path path, int n, ASDCP::AESDecContext* c)
+MonoPictureFrame::MonoPictureFrame (ASDCP::JP2K::MXFReader* reader, int n, shared_ptr<DecryptionContext> c)
{
- ASDCP::JP2K::MXFReader reader;
- Kumu::Result_t r = reader.OpenRead (path.string().c_str());
- if (ASDCP_FAILURE (r)) {
- boost::throw_exception (FileError ("could not open MXF file for reading", path, r));
- }
-
/* XXX: unfortunate guesswork on this buffer size */
- _buffer = new ASDCP::JP2K::FrameBuffer (4 * Kumu::Megabyte);
+ _buffer.reset(new ASDCP::JP2K::FrameBuffer(4 * Kumu::Megabyte));
- if (ASDCP_FAILURE (reader.ReadFrame (n, *_buffer, c))) {
- boost::throw_exception (DCPReadError (String::compose ("could not read video frame %1 of %2", n, path.string())));
+ ASDCP::Result_t const r = reader->ReadFrame (n, *_buffer, c->context(), c->hmac());
+
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (ReadError (String::compose ("could not read video frame %1 (%2)", n, static_cast<int>(r))));
}
}
MonoPictureFrame::MonoPictureFrame (uint8_t const * data, int size)
{
- _buffer = new ASDCP::JP2K::FrameBuffer (size);
+ _buffer.reset(new ASDCP::JP2K::FrameBuffer(size));
_buffer->Size (size);
memcpy (_buffer->Data(), data, size);
}
-/** MonoPictureFrame destructor */
-MonoPictureFrame::~MonoPictureFrame ()
-{
- delete _buffer;
-}
/** @return Pointer to JPEG2000 data */
uint8_t const *
-MonoPictureFrame::j2k_data () const
+MonoPictureFrame::data () const
{
return _buffer->RoData ();
}
/** @return Pointer to JPEG2000 data */
uint8_t *
-MonoPictureFrame::j2k_data ()
+MonoPictureFrame::data ()
{
return _buffer->Data ();
}
/** @return Size of JPEG2000 data in bytes */
int
-MonoPictureFrame::j2k_size () const
+MonoPictureFrame::size () const
{
return _buffer->Size ();
}