*/
+/** @file src/asset.cc
+ * @brief Parent class for assets of DCPs.
+ */
+
+#include <iostream>
+#include <fstream>
#include <boost/filesystem.hpp>
#include "AS_DCP.h"
#include "KM_util.h"
#include "asset.h"
#include "util.h"
-#include "tags.h"
+#include "metadata.h"
using namespace std;
using namespace boost;
using namespace libdcp;
-/** Construct an Asset.
- * @param p Pathname of MXF file.
- * @param fps Frames per second.
- * @param len Length in frames.
- */
-
-Asset::Asset (string p, int fps, int len)
- : _mxf_path (p)
+Asset::Asset (string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int length)
+ : _directory (directory)
+ , _mxf_name (mxf_name)
+ , _progress (progress)
, _fps (fps)
- , _length (len)
+ , _length (length)
, _uuid (make_uuid ())
{
{
s << " <Asset>\n"
<< " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << filesystem::path(_mxf_path).filename() << "</AnnotationText>\n"
- << " <Hash>" << _digest << "</Hash>\n"
- << " <Size>" << filesystem::file_size(_mxf_path) << "</Size>\n"
+ << " <AnnotationText>" << _mxf_name << "</AnnotationText>\n"
+ << " <Hash>" << digest() << "</Hash>\n"
+ << " <Size>" << filesystem::file_size(mxf_path()) << "</Size>\n"
<< " <Type>application/mxf</Type>\n"
<< " </Asset>\n";
}
<< " <Id>urn:uuid:" << _uuid << "</Id>\n"
<< " <ChunkList>\n"
<< " <Chunk>\n"
- << " <Path>" << filesystem::path(_mxf_path).filename() << "</Path>\n"
+ << " <Path>" << _mxf_name << "</Path>\n"
<< " <VolumeIndex>1</VolumeIndex>\n"
<< " <Offset>0</Offset>\n"
- << " <Length>" << filesystem::file_size(_mxf_path) << "</Length>\n"
+ << " <Length>" << filesystem::file_size(mxf_path()) << "</Length>\n"
<< " </Chunk>\n"
<< " </ChunkList>\n"
<< " </Asset>\n";
void
Asset::fill_writer_info (ASDCP::WriterInfo* writer_info) const
{
- writer_info->ProductVersion = Tags::instance()->product_version;
- writer_info->CompanyName = Tags::instance()->company_name;
- writer_info->ProductName = Tags::instance()->product_name.c_str();
+ writer_info->ProductVersion = Metadata::instance()->product_version;
+ writer_info->CompanyName = Metadata::instance()->company_name;
+ writer_info->ProductName = Metadata::instance()->product_name.c_str();
writer_info->LabelSetType = ASDCP::LS_MXF_SMPTE;
- Kumu::GenRandomUUID (writer_info->AssetUUID);
+ unsigned int c;
+ Kumu::hex2bin (_uuid.c_str(), writer_info->AssetUUID, Kumu::UUID_Length, &c);
+ assert (c == Kumu::UUID_Length);
+}
+
+filesystem::path
+Asset::mxf_path () const
+{
+ filesystem::path p;
+ p /= _directory;
+ p /= _mxf_name;
+ return p;
+}
+
+list<string>
+Asset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
+{
+ list<string> notes;
+
+ if (opt.flags & LIBDCP_METADATA) {
+ if (_mxf_name != other->_mxf_name) {
+ notes.push_back ("MXF names differ");
+ }
+ if (_fps != other->_fps) {
+ notes.push_back ("MXF frames per second differ");
+ }
+ if (_length != other->_length) {
+ notes.push_back ("MXF lengths differ");
+ }
+ }
+
+ if (opt.flags & MXF_BITWISE) {
+
+ if (digest() != other->digest()) {
+ notes.push_back ("MXF digests differ");
+ }
+
+ if (filesystem::file_size (mxf_path()) != filesystem::file_size (other->mxf_path())) {
+ notes.push_back (mxf_path().string() + " and " + other->mxf_path().string() + " sizes differ");
+ return notes;
+ }
+
+ ifstream a (mxf_path().string().c_str(), ios::binary);
+ ifstream b (other->mxf_path().string().c_str(), ios::binary);
+
+ int buffer_size = 65536;
+ char abuffer[buffer_size];
+ char bbuffer[buffer_size];
+
+ int n = filesystem::file_size (mxf_path ());
+
+ while (n) {
+ int const t = min (n, buffer_size);
+ a.read (abuffer, t);
+ b.read (bbuffer, t);
+
+ if (memcmp (abuffer, bbuffer, t) != 0) {
+ notes.push_back (mxf_path().string() + " and " + other->mxf_path().string() + " content differs");
+ return notes;
+ }
+
+ n -= t;
+ }
+ }
+
+ return notes;
+}
+
+string
+Asset::digest () const
+{
+ if (_digest.empty ()) {
+ _digest = make_digest (mxf_path().string(), 0);
+ }
+
+ return _digest;
}
+
+
+
+