Fix minor infringement of XML wrt CPL reel order.

[libdcp.git] / src / mono_picture_asset_writer.cc

diff --git a/src/mono_picture_asset_writer.cc b/src/mono_picture_asset_writer.cc
index 1f384c284be8d629fbdace39a87f13e005b454ab..ccbc8e870656b826a07082bbbd3e230a090caf35 100644 (file)
--- a/src/mono_picture_asset_writer.cc
+++ b/src/mono_picture_asset_writer.cc
@@ -29,6 +29,7 @@ using std::istream;
 using std::ostream;
 using std::string;
 using boost::shared_ptr;
+using boost::lexical_cast;
 using namespace libdcp;
 
 struct MonoPictureAssetWriter::ASDCPState : public ASDCPStateBase
@@ -68,8 +69,9 @@ MonoPictureAssetWriter::write (uint8_t* data, int size)
        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()));
+       ASDCP::Result_t const r = _state->mxf_writer.WriteFrame (_state->frame_buffer, _state->encryption_context, 0, &hash);
+       if (ASDCP_FAILURE (r)) {
+               boost::throw_exception (MXFFileError ("error in writing video MXF (" + lexical_cast<string> (int(r)) + ")", _asset->path().string()));
        }
 
        ++_frames_written;