diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-09-25 21:31:10 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-09-25 21:31:10 +0100 |
| commit | 566608b965e8ec0e08d9de128405d22ec7fedcd6 (patch) | |
| tree | 2fda53a5d6adb9427d0f1f5c1a5af050eddc44d9 /src/picture_asset_writer.cc | |
| parent | f76647abae551840a43bb8f07189051ec20bab6d (diff) | |
Split up some files.
Diffstat (limited to 'src/picture_asset_writer.cc')
| -rw-r--r-- | src/picture_asset_writer.cc | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/src/picture_asset_writer.cc b/src/picture_asset_writer.cc index ca5a3e96..67883e31 100644 --- a/src/picture_asset_writer.cc +++ b/src/picture_asset_writer.cc @@ -61,198 +61,3 @@ PictureAssetWriter::PictureAssetWriter (PictureAsset* asset, bool overwrite) { } - -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; -}; - -struct MonoPictureAssetWriter::ASDCPState : public ASDCPStateBase -{ - ASDCP::JP2K::MXFWriter mxf_writer; -}; - -struct StereoPictureAssetWriter::ASDCPState : public ASDCPStateBase -{ - ASDCP::JP2K::MXFSWriter mxf_writer; -}; - -/** @param a Asset to write to. `a' must not be deleted while - * this writer class still exists, or bad things will happen. - */ -MonoPictureAssetWriter::MonoPictureAssetWriter (PictureAsset* asset, bool overwrite) - : PictureAssetWriter (asset, overwrite) - , _state (new MonoPictureAssetWriter::ASDCPState) -{ - _state->encryption_context = asset->encryption_context (); -} - -StereoPictureAssetWriter::StereoPictureAssetWriter (PictureAsset* asset, bool overwrite) - : PictureAssetWriter (asset, overwrite) - , _state (new StereoPictureAssetWriter::ASDCPState) - , _next_eye (EYE_LEFT) -{ - _state->encryption_context = asset->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; -} - -void -MonoPictureAssetWriter::start (uint8_t* data, int size) -{ - libdcp::start (this, _state, _asset, data, size); -} - -void -StereoPictureAssetWriter::start (uint8_t* data, int size) -{ - libdcp::start (this, _state, _asset, data, size); -} - -FrameInfo -MonoPictureAssetWriter::write (uint8_t* data, int size) -{ - assert (!_finalized); - - if (!_started) { - start (data, size); - } - - if (ASDCP_FAILURE (_state->j2k_parser.OpenReadFrame (data, size, _state->frame_buffer))) { - boost::throw_exception (MiscError ("could not parse J2K frame")); - } - - uint64_t const before_offset = _state->mxf_writer.Tell (); - - string hash; - if (ASDCP_FAILURE (_state->mxf_writer.WriteFrame (_state->frame_buffer, _state->encryption_context, 0, &hash))) { - boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string())); - } - - ++_frames_written; - return FrameInfo (before_offset, _state->mxf_writer.Tell() - before_offset, hash); -} - -/** 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) -{ - assert (!_finalized); - - if (!_started) { - start (data, size); - } - - if (ASDCP_FAILURE (_state->j2k_parser.OpenReadFrame (data, size, _state->frame_buffer))) { - boost::throw_exception (MiscError ("could not parse J2K frame")); - } - - uint64_t const before_offset = _state->mxf_writer.Tell (); - - string hash; - if (ASDCP_FAILURE ( - _state->mxf_writer.WriteFrame ( - _state->frame_buffer, - _next_eye == EYE_LEFT ? ASDCP::JP2K::SP_LEFT : ASDCP::JP2K::SP_RIGHT, - _state->encryption_context, - 0, - &hash) - )) { - - boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string())); - } - - _next_eye = _next_eye == EYE_LEFT ? EYE_RIGHT : EYE_LEFT; - - return FrameInfo (before_offset, _state->mxf_writer.Tell() - before_offset, hash); -} - -void -MonoPictureAssetWriter::fake_write (int size) -{ - assert (_started); - assert (!_finalized); - - if (ASDCP_FAILURE (_state->mxf_writer.FakeWriteFrame (size))) { - boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string())); - } - - ++_frames_written; -} - -void -StereoPictureAssetWriter::fake_write (int size) -{ - assert (_started); - assert (!_finalized); - - if (ASDCP_FAILURE (_state->mxf_writer.FakeWriteFrame (size))) { - boost::throw_exception (MXFFileError ("error in writing video MXF", _asset->path().string())); - } - - _next_eye = _next_eye == EYE_LEFT ? EYE_RIGHT : EYE_LEFT; - ++_frames_written; -} - -void -MonoPictureAssetWriter::finalize () -{ - assert (!_finalized); - - if (ASDCP_FAILURE (_state->mxf_writer.Finalize())) { - boost::throw_exception (MXFFileError ("error in finalizing video MXF", _asset->path().string())); - } - - _finalized = true; - _asset->set_intrinsic_duration (_frames_written); - _asset->set_duration (_frames_written); -} - -void -StereoPictureAssetWriter::finalize () -{ - assert (!_finalized); - - if (ASDCP_FAILURE (_state->mxf_writer.Finalize())) { - boost::throw_exception (MXFFileError ("error in finalizing video MXF", _asset->path().string())); - } - - _finalized = true; - _asset->set_intrinsic_duration (_frames_written / 2); - _asset->set_duration (_frames_written / 2); -} |
