Windows build fixes.

[libdcp.git] / src / asset.cc

diff --git a/src/asset.cc b/src/asset.cc
index d4214d5fca4729c624c9f52262dbebfa3a06a608..f8362c8b16ca61c16d18e7e8eb32b4fac6dd3854 100644 (file)
--- a/src/asset.cc
+++ b/src/asset.cc
@@ -17,27 +17,29 @@
 
 */
 
+/** @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 ())
 {
        
@@ -46,11 +48,13 @@ Asset::Asset (string p, int fps, int len)
 void
 Asset::write_to_pkl (ostream& s) const
 {
-       s << "      <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"
-         << "      <Type>application/mxf</Type>\n";
+       s << "    <Asset>\n"
+         << "      <Id>urn:uuid:" << _uuid << "</Id>\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";
 }
 
 void
@@ -60,10 +64,10 @@ Asset::write_to_assetmap (ostream& s) const
          << "      <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";
@@ -72,10 +76,89 @@ Asset::write_to_assetmap (ostream& s) const
 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, EqualityFlags flags) const
+{
+       list<string> notes;
+       
+       if (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 (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;
+}
+
+               
+               
+