diff options
Diffstat (limited to 'source/blender/alembic/intern/abc_archive.cc')
| -rw-r--r-- | source/blender/alembic/intern/abc_archive.cc | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/source/blender/alembic/intern/abc_archive.cc b/source/blender/alembic/intern/abc_archive.cc index 5f8fc1a3739..bd16196cb78 100644 --- a/source/blender/alembic/intern/abc_archive.cc +++ b/source/blender/alembic/intern/abc_archive.cc @@ -23,11 +23,17 @@ */ #include "abc_archive.h" +extern "C" +{ + #include "BKE_blender_version.h" +} #ifdef WIN32 # include "utfconv.h" #endif +#include <fstream> + using Alembic::Abc::Exception; using Alembic::Abc::ErrorHandler; using Alembic::Abc::IArchive; @@ -38,8 +44,9 @@ static IArchive open_archive(const std::string &filename, const std::vector<std::istream *> &input_streams, bool &is_hdf5) { + is_hdf5 = false; + try { - is_hdf5 = false; Alembic::AbcCoreOgawa::ReadArchive archive_reader(input_streams); return IArchive(archive_reader(filename), @@ -63,6 +70,27 @@ static IArchive open_archive(const std::string &filename, return IArchive(); } #else + /* Inspect the file to see whether it's really a HDF5 file. */ + char header[4]; /* char(0x89) + "HDF" */ + std::ifstream the_file(filename.c_str(), std::ios::in | std::ios::binary); + if (!the_file) { + std::cerr << "Unable to open " << filename << std::endl; + } + else if (!the_file.read(header, sizeof(header))) { + std::cerr << "Unable to read from " << filename << std::endl; + } + else if (strncmp(header + 1, "HDF", 3)) { + std::cerr << filename << " has an unknown file format, unable to read." << std::endl; + } + else { + is_hdf5 = true; + std::cerr << filename << " is in the obsolete HDF5 format, unable to read." << std::endl; + } + + if (the_file.is_open()) { + the_file.close(); + } + return IArchive(); #endif } @@ -83,16 +111,20 @@ ArchiveReader::ArchiveReader(const char *filename) m_streams.push_back(&m_infile); - bool is_hdf5; - m_archive = open_archive(filename, m_streams, is_hdf5); + m_archive = open_archive(filename, m_streams, m_is_hdf5); /* We can't open an HDF5 file from a stream, so close it. */ - if (is_hdf5) { + if (m_is_hdf5) { m_infile.close(); m_streams.clear(); } } +bool ArchiveReader::is_hdf5() const +{ + return m_is_hdf5; +} + bool ArchiveReader::valid() const { return m_archive.valid(); @@ -115,6 +147,7 @@ static OArchive create_archive(std::ostream *ostream, { md.set(Alembic::Abc::kApplicationNameKey, "Blender"); md.set(Alembic::Abc::kUserDescriptionKey, scene_name); + md.set("blender_version", versionstr); time_t raw_time; time(&raw_time); |