/*
- Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ 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.
*/
-#include "AS_DCP.h"
-#include "KM_fileio.h"
+
+/** @file src/stereo_picture_asset_writer.cc
+ * @brief StereoPictureAssetWriter class
+ */
+
+
#include "stereo_picture_asset_writer.h"
#include "exceptions.h"
+#include "dcp_assert.h"
#include "picture_asset.h"
+#include "crypto_context.h"
+#include <asdcp/AS_DCP.h>
+#include <asdcp/KM_fileio.h>
+
#include "picture_asset_writer_common.cc"
-using std::istream;
-using std::ostream;
+
using std::string;
-using boost::shared_ptr;
-using namespace libdcp;
+using std::shared_ptr;
+using namespace dcp;
+
struct StereoPictureAssetWriter::ASDCPState : public ASDCPStateBase
{
ASDCP::JP2K::MXFSWriter mxf_writer;
};
-StereoPictureAssetWriter::StereoPictureAssetWriter (PictureAsset* asset, bool overwrite)
- : PictureAssetWriter (asset, overwrite)
+
+StereoPictureAssetWriter::StereoPictureAssetWriter (PictureAsset* mxf, boost::filesystem::path file, bool overwrite)
+ : PictureAssetWriter (mxf, file, overwrite)
, _state (new StereoPictureAssetWriter::ASDCPState)
- , _next_eye (EYE_LEFT)
{
- _state->encryption_context = asset->encryption_context ();
+
}
+
void
-StereoPictureAssetWriter::start (uint8_t* data, int size)
+StereoPictureAssetWriter::start (uint8_t const * data, int size)
{
- libdcp::start (this, _state, _asset, data, size);
+ dcp::start (this, _state, _picture_asset, data, size);
+ _picture_asset->set_frame_rate (Fraction (_picture_asset->edit_rate().numerator * 2, _picture_asset->edit_rate().denominator));
}
-/** Write a frame for one eye. Frames must be written left, then right, then left etc.
- * @param data JPEG2000 data.
- * @param size Size of data.
- */
+
FrameInfo
-StereoPictureAssetWriter::write (uint8_t* data, int size)
+StereoPictureAssetWriter::write (uint8_t const * data, int size)
{
- assert (!_finalized);
+ DCP_ASSERT (!_finalized);
if (!_started) {
start (data, size);
uint64_t const before_offset = _state->mxf_writer.Tell ();
string hash;
- Kumu::Result_t r = _state->mxf_writer.WriteFrame (
+ auto r = _state->mxf_writer.WriteFrame (
_state->frame_buffer,
- _next_eye == EYE_LEFT ? ASDCP::JP2K::SP_LEFT : ASDCP::JP2K::SP_RIGHT,
- _state->encryption_context,
- 0,
+ _next_eye == Eye::LEFT ? ASDCP::JP2K::SP_LEFT : ASDCP::JP2K::SP_RIGHT,
+ _crypto_context->context(),
+ _crypto_context->hmac(),
&hash
);
if (ASDCP_FAILURE (r)) {
- boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string(), r));
+ boost::throw_exception (MXFFileError ("error in writing video MXF", _file.string(), r));
}
- _next_eye = _next_eye == EYE_LEFT ? EYE_RIGHT : EYE_LEFT;
+ _next_eye = _next_eye == Eye::LEFT ? Eye::RIGHT : Eye::LEFT;
+
+ if (_next_eye == Eye::LEFT) {
+ ++_frames_written;
+ }
- ++_frames_written;
return FrameInfo (before_offset, _state->mxf_writer.Tell() - before_offset, hash);
}
+
void
StereoPictureAssetWriter::fake_write (int size)
{
- assert (_started);
- assert (!_finalized);
+ DCP_ASSERT (_started);
+ DCP_ASSERT (!_finalized);
- Kumu::Result_t r = _state->mxf_writer.FakeWriteFrame (size, _next_eye == EYE_LEFT ? ASDCP::JP2K::SP_LEFT : ASDCP::JP2K::SP_RIGHT);
- if (ASDCP_FAILURE (r)) {
- boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string(), r));
+ auto r = _state->mxf_writer.FakeWriteFrame (size, _next_eye == Eye::LEFT ? ASDCP::JP2K::SP_LEFT : ASDCP::JP2K::SP_RIGHT);
+ if (ASDCP_FAILURE(r)) {
+ boost::throw_exception (MXFFileError("error in writing video MXF", _file.string(), r));
}
- _next_eye = _next_eye == EYE_LEFT ? EYE_RIGHT : EYE_LEFT;
- ++_frames_written;
+ _next_eye = _next_eye == Eye::LEFT ? Eye::RIGHT : Eye::LEFT;
+ if (_next_eye == Eye::LEFT) {
+ ++_frames_written;
+ }
}
-void
+
+bool
StereoPictureAssetWriter::finalize ()
{
- assert (!_finalized);
-
- Kumu::Result_t r = _state->mxf_writer.Finalize();
- if (ASDCP_FAILURE (r)) {
- boost::throw_exception (MXFFileError ("error in finalizing video MXF", _asset->path().string(), r));
+ if (_started) {
+ auto r = _state->mxf_writer.Finalize();
+ if (ASDCP_FAILURE(r)) {
+ boost::throw_exception (MXFFileError("error in finalizing video MXF", _file.string(), r));
+ }
}
- _finalized = true;
- _asset->set_intrinsic_duration (_frames_written / 2);
- _asset->set_duration (_frames_written / 2);
+ _picture_asset->_intrinsic_duration = _frames_written;
+ return PictureAssetWriter::finalize ();
}
projects / libdcp.git / blobdiff